NO2 app for iPhone and iPad

With NO2 you can track current air pollution in your region. Use the integrated Map-View and analyze air pollution data from stations around your area. Save important stations to find them quickly and receive notifications for updated measurements. With NO2, you can discover which regions are polluted more, worldwide.

NO2 contains the following features:
- View stations in your area and save them
- Trace statistics over a range of 30 days in the past
- Compare measurements with the recommended daily maximum
- Receive notifications for changing measurements and track daily changes
- Use the daily widget of this App to get informed on your lockscreen
- Compare measurements of different stations in many countries

NO2 supports the measurements of nitrogen dioxide (NO2), particulate matter (PM10 and PM25), sulfur oxide (SO2), ozone (O3) and carbon monoxide monoxide (CO). Please regard that not all stations support all measurements.

NO2 uses the information supported by an open-source API called OpenAQ. Please regard that we cannot test the consistency of all information. For further information visit the OpenAQ website at https://openaq.org/.

Station information is available for the following regions:
- Australia
- Austria
- Bangladesh
- Bosnia-Herzigowina
- Caribbean Islands
- Chile
- China
- Croatia
- Finland
- France
- Germany
- Ghana
- India
- Israel
- Italy
- Kosovo
- Kuwait
- Lithuania
- Malta
- Mauritius
- Mexico
- Mongolia
- Nepal
- Nigeria
- Norway
- Peru
- Poland
- Portugal
- Russia
- Sao Paulo
- Slovakia
- Spain
- Sweden
- Switzerland
- Taiwan
- Thailand
- Turkey
- Uganda
- United Arab Emirates
- United Kingdom
- United States of America