Impacts on air quality

Do we see effects of the Covid19 epidemic on air pollution (NOX etc)?

⚙ Repository ✍️ Observations notebook Initial analysis ►Presentation

Air quality measurements of the city of Zurich
- hourly values ( https://data.stadt-zuerich.ch/dataset/luftqualitaet-stunden-aktuelle-messungen)
- daily values (https://data.stadt-zuerich.ch/dataset/luftqualitaet-tages-aktuelle-messungen)
- Monthly updated time series since 1983 (https://data.stadt-zuerich.ch/dataset/luftqualitaet-historisierte-messungen)

Air quality measurements by OSTLUFT (air quality monitoring of the cantons of Eastern Switzerland)
- https://www.ostluft.ch/index.php?id=datenabfragen
- NOx-Values from 8 air quality stations in eastern Switzerland (year 2020, hourly update): http://ogd.zueriluft.ch/api/v1/ol_nox_covid19_2020.csv (metadata: http://ogd.zueriluft.ch/api/v1/metadaten-covid-nox.json , values are in ppb. Conversion factor for NO2 ppb -> µg/m³ : 1.91)

rOstluft: Tools for handling air quality data by OSTLUFT
- r-package: https://github.com/Ostluft/rOstluft
- predefined stores: https://ostluft.github.io/rOstluft/reference/stores
- tutorial: https://ostluft.github.io/rOstluft/articles/articles/tutorial.html

openair: open source tools for air quality data analysis
https://davidcarslaw.github.io/openair/

Meteorological data from the weather station of the Zurich water police
https://data.stadt-zuerich.ch/dataset/sid_wapo_wetterstationen

Quality checks from Open Data Zurich:
- https://github.com/opendatazurich/quality-checks/tree/master/luftqualitaet