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feat(A29): finish queries + translate questions
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cmdoret committed Oct 13, 2023
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89 changes: 65 additions & 24 deletions pipelines/A29/queries.log
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@@ -1,19 +1,19 @@
[1] "Environment: REMOTE, Time: 2023-10-12 18:33:48"
[1] "Environment: REMOTE, Time: 2023-10-13 11:04:34"

Query Nr. 1
-- When did the concentration of carbon monoxide in the air reach its maximum in the city of Zürich? Also report the concentration in mg/m3.
SELECT T.jahr, T.monat, T.co_mg_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' ORDER BY T.co_mg_m3 DESC LIMIT 1;
-- Wann erreichte die Kohlenmonoxidkonzentration in der Luft in der Stadt Zürich ihr Maximum? Geben Sie auch die Konzentration in mg/m3 an.
SELECT T.jahr, T.monat, T.co_mg_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.co_mg_m3 IS NOT NULL ORDER BY T.co_mg_m3 DESC LIMIT 1;
jahr monat co_mg_m3
1984 11 4.651667

Query Nr. 2
-- What month typically has the fewest particles in the air in Stadt Zürich?
SELECT T.monat, SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) AS monat_avg_pn_1_cm3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' GROUP BY T.monat ORDER BY SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) ASC LIMIT 1;
-- In welchem Monat gibt es in der Stadt Zürich generell am wenigsten Partikel in der Luft?
SELECT T.monat, SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) AS monat_avg_pn_1_cm3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.pn_1_cm3 IS NOT NULL GROUP BY T.monat ORDER BY SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) ASC LIMIT 1;
monat monat_avg_pn_1_cm3
12 13083.66

Query Nr. 3
-- What was the concentration (in parts per billion) of nitric oxides per month in Stadt Zürich in 2019?
-- Wie hoch war die monatliche Stickoxidkonzentration (in Teilen pro Milliarde) in der Stadt Zürich im Jahr 2019?
SELECT T.monat, T.nox_ppb FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr = 2019 ORDER BY T.monat ASC;
monat nox_ppb
1 23.38516
Expand All @@ -30,22 +30,22 @@ SELECT T.monat, T.nox_ppb FROM stadt_zurich_monatlich_luftqualitatsmessungen_sei
12 34.41323

Query Nr. 4
-- What was the yearly average concentration of nitric monoxide and nitric dioxide in Stadt Zürich, for years 1993, 2003, 2013 and 2023?
SELECT T.jahr, SUM(T.no_ug_m3) / COUNT(T.no_ug_m3) AS jahr_avg_no_ug_m3, SUM(T.no2_ug_m3) / COUNT(T.no2_ug_m3) AS avg_no2_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr IN (1993, 2003, 2013, 2023) GROUP BY T.jahr;
-- Wie hoch war die jährliche Durchschnittskonzentration von Stickstoffmonoxid und Stickstoffdioxid in der Stadt Zürich in den Jahren 1993, 2003, 2013 und 2023?
SELECT T.jahr, SUM(T.no_ug_m3) / COUNT(T.no_ug_m3) AS jahr_avg_no_ug_m3, SUM(T.no2_ug_m3) / COUNT(T.no2_ug_m3) AS avg_no2_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr IN (1993, 2003, 2013, 2023) AND T.no_ug_m3 IS NOT NULL GROUP BY T.jahr;
jahr jahr_avg_no_ug_m3 avg_no2_ug_m3
1993 48.441402 45.86977
2003 29.552807 42.78025
2013 20.718149 33.79991
2023 6.532129 19.14540

Query Nr. 5
-- What was the lowest concentration of fine particulate matter (PM2.5) ever recorded in Zürich, and on what year was it?
-- Welches war die niedrigste Feinstaubkonzentration (PM2.5), die je in Zürich gemessen wurde, und in welchem Jahr war dies?
SELECT T.jahr, T.pm2_5_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.pm2_5_ug_m3 IS NOT NULL ORDER BY T.pm2_5_ug_m3 ASC LIMIT 1;
jahr pm2_5_ug_m3
2022 5.405667

Query Nr. 6
-- What was the concentration of sulfur dioxide in the air in Zürich through 2019? Show the concentration in milligram per cubic meter.
-- Wie hoch war die Schwefeldioxidkonzentration in der Luft in Zürich im Jahr 2019? Geben Sie die Konzentration in Milligramm pro Kubikmeter an.
SELECT T.monat, T.so2_ug_m3 / 1000 AS so2_mg_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr = 2019 ORDER BY T.monat ASC;
monat so2_mg_m3
1 0.0010593548
Expand All @@ -62,8 +62,8 @@ SELECT T.monat, T.so2_ug_m3 / 1000 AS so2_mg_m3 FROM stadt_zurich_monatlich_luft
12 0.0016651613

Query Nr. 7
-- What was the concentration of CO and SO2 (both in microgram/m3) in Zürich in from October 1999 to July 2000?
SELECT T.jahr, T.monat, T.co_mg_m3 * 1000 AS co_ug_m3, T.so2_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND ( (T.jahr = 1999 AND T.monat >= 10) OR (T.jahr = 2000 AND T.monat <= 7) ) ORDER BY T.jahr ASC, T.monat ASC;
-- Wie hoch war die CO- und SO2-Konzentration (beide in Mikrogramm/m3) in Zürich zwischen Oktober 1999 und Juli 2000?
SELECT T.jahr, T.monat, T.co_mg_m3 * 1000 AS co_ug_m3, T.so2_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND ( (T.jahr = 1999 AND T.monat >= 10) OR (T.jahr = 2000 AND T.monat <= 7) ) AND T.co_mg_m3 IS NOT NULL ORDER BY T.jahr ASC, T.monat ASC;
jahr monat co_ug_m3 so2_ug_m3
1999 10 895.1613 9.278000
1999 11 955.3333 10.376667
Expand All @@ -77,26 +77,67 @@ SELECT T.jahr, T.monat, T.co_mg_m3 * 1000 AS co_ug_m3, T.so2_ug_m3 FROM stadt_zu
2000 7 424.8276 3.157097

Query Nr. 8
-- Show me the mean PM10 and PM2.5 concentration in Zurich during each season from the year 2018.
SELECT CASE WHEN T.monat IN (12, 1, 2) THEN 'Winter' WHEN T.monat IN (3, 4, 5) THEN 'Frühling' WHEN T.monat IN (6, 7, 8) THEN 'Sommer' WHEN T.monat IN (9, 10, 11) THEN 'Herbst' END AS jahreszeit, SUM(T.pm10_ug_m3) / COUNT(T.pm10_ug_m3) AS avg_pm10_ug_m3, SUM(T.pm2_5_ug_m3) / COUNT(T.pm2_5_ug_m3) AS avg_pm2_5_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr = 2018 GROUP BY jahreszeit;
-- Zeigen Sie mir die mittlere PM10- und PM2.5-Konzentration in Zürich während jeder Jahreszeit des Jahres 2018.
SELECT CASE WHEN T.monat IN (12, 1, 2) THEN 'Winter' WHEN T.monat IN (3, 4, 5) THEN 'Frühling' WHEN T.monat IN (6, 7, 8) THEN 'Sommer' WHEN T.monat IN (9, 10, 11) THEN 'Herbst' END AS jahreszeit, SUM(T.pm10_ug_m3) / COUNT(T.pm10_ug_m3) AS avg_pm10_ug_m3, SUM(T.pm2_5_ug_m3) / COUNT(T.pm2_5_ug_m3) AS avg_pm2_5_ug_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr = 2018 AND T.pm10_ug_m3 IS NOT NULL AND T.pm2_5_ug_m3 IS NOT NULL GROUP BY jahreszeit;
jahreszeit avg_pm10_ug_m3 avg_pm2_5_ug_m3
Frühling 18.37968 11.704186
Herbst 21.89971 14.096649
Sommer 15.11333 9.196935
Winter 16.50175 12.977110

Query Nr. 9
-- What was the relative change, in percent, of the concentration of PM10 in Zürich from 2017 to 2023?
SELECT ( 100.0 * SUM( CASE WHEN T.jahr = 2017 THEN T.pm10_ug_m3 WHEN T.jahr = 2023 THEN -T.pm10_ug_m3 END ) / SUM(CASE WHEN T.jahr = 2017 THEN T.pm10_ug_m3 END) ) AS pm10_anderung_2017_2023_prozent FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr IN (2017, 2023);
-- Wie hoch ist die relative Veränderung der PM10-Konzentration in Zürich von 2017 bis 2023 in Prozent?
SELECT ( 100.0 * SUM( CASE WHEN T.jahr = 2017 THEN T.pm10_ug_m3 WHEN T.jahr = 2023 THEN -T.pm10_ug_m3 END ) / SUM(CASE WHEN T.jahr = 2017 THEN T.pm10_ug_m3 END) ) AS pm10_anderung_2017_2023_prozent FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr IN (2017, 2023) AND T.pm10_ug_m3 IS NOT NULL;
pm10_anderung_2017_2023_prozent
17.69004

Query Nr. 10
-- Give me the concentration of nitric oxides in the air of Zürich, in part per million (ppm), for the month of January in the years 2017 to 2021.
SELECT T.jahr, T.monat, T.nox_ppb / 1000 AS nox_ppm FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.monat = 1 AND T.jahr >= 2017 AND T.jahr <= 2021 ORDER BY T.jahr ASC;
jahr monat nox_ppm
2017 1 0.04320645
2018 1 0.02535710
2019 1 0.02338516
2020 1 0.03729032
2021 1 0.02151710
-- Nennen Sie mir die Konzentration von Stickoxiden in der Luft von Zürich, in Teilen pro Million (ppm), für den Monat Januar in den Jahren 2017 bis 2021.
SELECT T.jahr, T.nox_ppb / 1000 AS nox_ppm_januar FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.monat = 1 AND T.jahr >= 2017 AND T.jahr <= 2021 ORDER BY T.jahr ASC;
jahr nox_ppm_januar
2017 0.04320645
2018 0.02535710
2019 0.02338516
2020 0.03729032
2021 0.02151710

Query Nr. 11
-- Wie viel Ozon war im Jahr 2005 jeden Monat in der Luft der Stadt Zürich?
SELECT T.monat, T.o3_ug_m3 AS o3_ug_m3_2005 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr = 2005;
monat o3_ug_m3_2005
1 25.63968
2 38.21536
3 46.64742
4 52.46667
5 64.68516
6 75.32700
7 63.88387
8 53.73806
9 42.83467
10 13.54806
11 14.99933
12 21.38226

Query Nr. 12
-- Wie hoch war die durchschnittliche Kohlenmonoxid-Konzentration in der Zürcher Luft im Januar und im Juli, bezogen auf den Zeitraum 1990-2000?
SELECT T.monat, SUM(T.co_mg_m3) / COUNT(T.co_mg_m3) AS avg_co_mg_m3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.jahr >= 1990 AND T.jahr <= 2000 AND T.co_mg_m3 IS NOT NULL AND T.monat IN (1, 7) GROUP BY T.monat;
monat avg_co_mg_m3
1 1.3610142
7 0.6491916

Query Nr. 13
-- Zeigen Sie mir die Partikelzahl für jeden Monat in Zürich, im Durchschnitt aller verfügbaren Jahre.
SELECT T.monat, SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) AS avg_pn_1_cm3 FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid WHERE S.municipal = TRUE AND S.name = 'Zürich' AND T.pn_1_cm3 IS NOT NULL GROUP BY T.monat;
monat avg_pn_1_cm3
1 13453.51
2 15193.94
3 14060.48
4 13478.18
5 13876.29
6 14353.45
7 13144.14
8 13545.95
9 15271.33
10 17149.51
11 14329.35
12 13083.66
66 changes: 51 additions & 15 deletions pipelines/A29/queries.sql
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Original file line number Diff line number Diff line change
@@ -1,23 +1,25 @@
-- When did the concentration of carbon monoxide in the air reach its maximum in the city of Zürich? Also report the concentration in mg/m3.
-- Wann erreichte die Kohlenmonoxidkonzentration in der Luft in der Stadt Zürich ihr Maximum? Geben Sie auch die Konzentration in mg/m3 an.
SELECT T.jahr, T.monat, T.co_mg_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.co_mg_m3 IS NOT NULL
ORDER BY T.co_mg_m3 DESC
LIMIT 1;

-- What month typically has the fewest particles in the air in Stadt Zürich?
-- In welchem Monat gibt es in der Stadt Zürich generell am wenigsten Partikel in der Luft?
SELECT T.monat, SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) AS monat_avg_pn_1_cm3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.pn_1_cm3 IS NOT NULL
GROUP BY T.monat
ORDER BY SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) ASC
LIMIT 1;

-- What was the concentration (in parts per billion) of nitric oxides per month in Stadt Zürich in 2019?
-- Wie hoch war die monatliche Stickoxidkonzentration (in Teilen pro Milliarde) in der Stadt Zürich im Jahr 2019?
SELECT T.monat, T.nox_ppb
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
Expand All @@ -26,15 +28,17 @@ WHERE S.municipal = TRUE
AND T.jahr = 2019
ORDER BY T.monat ASC;

-- What was the yearly average concentration of nitric monoxide and nitric dioxide in Stadt Zürich, for years 1993, 2003, 2013 and 2023?
-- Wie hoch war die jährliche Durchschnittskonzentration von Stickstoffmonoxid und Stickstoffdioxid in der Stadt Zürich in den Jahren 1993, 2003, 2013 und 2023?
SELECT T.jahr, SUM(T.no_ug_m3) / COUNT(T.no_ug_m3) AS jahr_avg_no_ug_m3, SUM(T.no2_ug_m3) / COUNT(T.no2_ug_m3) AS avg_no2_ug_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.jahr IN (1993, 2003, 2013, 2023)
AND T.no_ug_m3 IS NOT NULL
GROUP BY T.jahr;
-- What was the lowest concentration of fine particulate matter (PM2.5) ever recorded in Zürich, and on what year was it?

-- Welches war die niedrigste Feinstaubkonzentration (PM2.5), die je in Zürich gemessen wurde, und in welchem Jahr war dies?
SELECT T.jahr, T.pm2_5_ug_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
Expand All @@ -44,7 +48,7 @@ WHERE S.municipal = TRUE
ORDER BY T.pm2_5_ug_m3 ASC
LIMIT 1;

-- What was the concentration of sulfur dioxide in the air in Zürich through 2019? Show the concentration in milligram per cubic meter.
-- Wie hoch war die Schwefeldioxidkonzentration in der Luft in Zürich im Jahr 2019? Geben Sie die Konzentration in Milligramm pro Kubikmeter an.
SELECT T.monat, T.so2_ug_m3 / 1000 AS so2_mg_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
Expand All @@ -53,7 +57,7 @@ WHERE S.municipal = TRUE
AND T.jahr = 2019
ORDER BY T.monat ASC;

-- What was the concentration of CO and SO2 (both in microgram/m3) in Zürich in from October 1999 to July 2000?
-- Wie hoch war die CO- und SO2-Konzentration (beide in Mikrogramm/m3) in Zürich zwischen Oktober 1999 und Juli 2000?
SELECT T.jahr, T.monat, T.co_mg_m3 * 1000 AS co_ug_m3, T.so2_ug_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
Expand All @@ -64,9 +68,10 @@ WHERE S.municipal = TRUE
(T.jahr = 1999 AND T.monat >= 10)
OR (T.jahr = 2000 AND T.monat <= 7)
)
AND T.co_mg_m3 IS NOT NULL
ORDER BY T.jahr ASC, T.monat ASC;

-- Show me the mean PM10 and PM2.5 concentration in Zurich during each season from the year 2018.
-- Zeigen Sie mir die mittlere PM10- und PM2.5-Konzentration in Zürich während jeder Jahreszeit des Jahres 2018.
SELECT
CASE
WHEN T.monat IN (12, 1, 2) THEN 'Winter'
Expand All @@ -81,9 +86,11 @@ JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.jahr = 2018
AND T.pm10_ug_m3 IS NOT NULL
AND T.pm2_5_ug_m3 IS NOT NULL
GROUP BY jahreszeit;

-- What was the relative change, in percent, of the concentration of PM10 in Zürich from 2017 to 2023?
-- Wie hoch ist die relative Veränderung der PM10-Konzentration in Zürich von 2017 bis 2023 in Prozent?
SELECT
(
100.0 * SUM(
Expand All @@ -97,10 +104,11 @@ FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.jahr IN (2017, 2023);
AND T.jahr IN (2017, 2023)
AND T.pm10_ug_m3 IS NOT NULL;

-- Give me the concentration of nitric oxides in the air of Zürich, in part per million (ppm), for the month of January in the years 2017 to 2021.
SELECT T.jahr, T.monat, T.nox_ppb / 1000 AS nox_ppm
-- Nennen Sie mir die Konzentration von Stickoxiden in der Luft von Zürich, in Teilen pro Million (ppm), für den Monat Januar in den Jahren 2017 bis 2021.
SELECT T.jahr, T.nox_ppb / 1000 AS nox_ppm_januar
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
Expand All @@ -109,6 +117,34 @@ WHERE S.municipal = TRUE
AND T.jahr >= 2017
AND T.jahr <= 2021
ORDER BY T.jahr ASC;
-- How much ozon was in the air of stadt Zurich during the year 2005?
-- Is the concentration of carbon monoxide generally higher during the winter or the summer in Zürich?
-- Show me the particle count for each month in Zurich, averaging all available years.

-- Wie viel Ozon war im Jahr 2005 jeden Monat in der Luft der Stadt Zürich?
SELECT T.monat, T.o3_ug_m3 AS o3_ug_m3_2005
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.jahr = 2005;

-- Wie hoch war die durchschnittliche Kohlenmonoxid-Konzentration in der Zürcher Luft im Januar und im Juli, bezogen auf den Zeitraum 1990-2000?
SELECT
T.monat,
SUM(T.co_mg_m3) / COUNT(T.co_mg_m3) AS avg_co_mg_m3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.jahr >= 1990
AND T.jahr <= 2000
AND T.co_mg_m3 IS NOT NULL
AND T.monat IN (1, 7)
GROUP BY T.monat;

-- Zeigen Sie mir die Partikelzahl für jeden Monat in Zürich, im Durchschnitt aller verfügbaren Jahre.
SELECT T.monat, SUM(T.pn_1_cm3) / COUNT(T.pn_1_cm3) AS avg_pn_1_cm3
FROM stadt_zurich_monatlich_luftqualitatsmessungen_seit_1983 AS T
JOIN spatial_unit AS S ON T.spatialunit_uid = S.spatialunit_uid
WHERE S.municipal = TRUE
AND S.name = 'Zürich'
AND T.pn_1_cm3 IS NOT NULL
GROUP BY T.monat;

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