Surface Data

The TOAR database collects hourly data of long-term surface air quality measurements from over 10,000 stations globally. Harmonized access to these data is provided via the TOAR Data REST API. 

The TOAR-II database of surface observations is the biggest collection of tropospheric ozone data in the world.

Data records
0.1 B+
Time-series
1 K+
Stations
1 K+

Contributors

EBAS is a database with atmospheric measurement data. EBAS objective is to handle, store and disseminate atmospheric composition data generated by internationala and national frameworks like long-term monitoring programmes and research projects.

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REST:API

The goal of the National Air Pollution Surveillance (NAPS) program is to provide accurate and long-term air quality data of a uniform standard across Canada.

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REST:API

Ground level ozone measurements, sometimes referred to as in situ measurements are those measurements that occur close to the ground, i.e. within the boundary layer which is approximately 1 kilometre in height. Ongoing network measurements from the Canadian Air and Precipitation Monitoring Network (CAPMoN) and studies such as those from Alert, NU and Mount Sutton, QC are also included within the published data sets.

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REST:API

Ground level ozone measurements, sometimes referred to as in situ measurements are those measurements that occur close to the ground, i.e. within the boundary layer which is approximately 1 kilometre in height. Ongoing network measurements from the Canadian Air and Precipitation Monitoring Network (CAPMoN) and studies such as those from Alert, NU and Mount Sutton, QC are also included within the published data sets.

The OpenAQ repository of air quality includes low cost sensor data as a pilot, in addition to reference-grade data. We are currently collecting data in many different countries and primarily aggregate PM2.5, PM10, ozone (O3), sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon monoxide (CO), and black carbon (BC) measurements. Additional pollutants outside of those standard set of pollutants are available through low cost sensor sources at certain locations.

“For people and the environment″ is the motto of the Federal Environment Agency – known as UBA for short – and sums up what we are there for. As Germany’s central environmental authority, we see to it that there is a healthy environment in Germany in which people can live protected as far as possible from harmful environmental impacts, such as pollutants in the air or water.

EANET (The Acid Deposition Monitoring Network in East Asia) was established in 2001 as an intergovernmental initiative to create a common understanding on the state of acid deposition problems in East Asia, provide useful inputs for decision making at various levels, and promote cooperation among countries.

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REST:API

Clean Air Status and Trends Network (CASTNET) is a national monitoring network established to assess trends in pollutant concentrations, atmospheric deposition, and ecological effects due to changes in air pollutant emissions.

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REST:API
License

Data record from 2001-2011, collected under the AIRMAP program and provided by the Institute for the Study of Earth, Oceans, and Space (EOS) of the University of New Hampshire.

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REST:API
License

KARQN provides intuitive, fast, and accurate information about fine dust and particulate matter data. 

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REST:API
Contact
License

National Institute for Environmental Studies is the national institute in Japan conducting a broad range of interdisciplinary, integrated environmental research.

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REST:API
License

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