Top Contributors by Station Count
2026
2026 Annual Top Government Contributors by Station Count
Top Government Contributors
2026 Annual Top Non-Profit Contributors by Station Count
Top Non-Profit Contributors
Rank | Contributor | Country | Stations |
|---|---|---|---|
 1 |  Coalition for Clean Air (CCA) | 265 | |
 2 |  Breathe London |  | 138 |
 3 |  UNICEF Laos AQM Project | 49 | |
4 |  UNEP | 44 | |
5 |  Imperial County Department of Toxic Substance and Comite Civico del Valle | 38 |
2026 Annual Top Education Contributors by Station Count
Top Education Contributors
Rank | Contributor | Country | Stations |
|---|---|---|---|
1 |  Environmental Research Group - King's College London | | 81 |
2 |  CITIES |  | 18 |
3 |  University of Northern British Columbia |  | 10 |
4 |  สาขาวิชานวัตกรรมการพัฒนาเมืองฯ มทร.อีสาน |  | 9 |
5 |  Geaslab - IFPE |  | 9 |
2026 Annual Top Corporate Contributors by Station Count
Top Corporate Contributors
Rank | Contributor | Country | Stations |
|---|---|---|---|
1 |  Ricardo Energy & Environment | | 126 |
2 |  LUN Misto Air |  | 63 |
3 |  UTOPIA Fiber |  | 43 |
4 |  Unioil Petroleum Philippines Inc. |  | 25 |
5 |  The Urban Unit |  | 22 |
2026 Annual Top Individual Contributors by Station Count
Top Individual Contributors
Rank | Contributor | Country | Stations |
|---|---|---|---|
1 | | 9 | |
2 |  Fares Fathi |  | 6 |
3 |  Anonymous |  | 5 |
4 | 4 | ||
5 |  Anonymous | 4 |
Community Overview
Contributors
21034
Stations
35575
Countries
143
Cities
12050
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