What is a pollutant?
Pollutants are particles and gasses in the air that, in high concentration, can be harmful to people's health.
Reported pollutants
The Air Quality API supports the most common pollutants.
Pollutants information includes:
- Dominant pollutant
- Concentration
- Sources & Effects
| Code | Display Name | Full Name | Units Measured |
|---|---|---|---|
| co | CO | Carbon monoxide | ppb |
| c6h6 | C6H6 | Benzene | μg/m³ |
| ox | OX | Photochemical oxidants | ppb |
| o3 | 3 | Ozone | ppb |
| nh3 | NH3 | Ammonia | ppb |
| nmhc | NMHC | Non-methane hydrocarbons | ppb |
| no | NO | Nitrogen monoxide | ppb |
| nox | NOX | Nitrogen oxides | ppb |
| no2 | NO2 | Nitrogen dioxide | ppb |
| p25 | P25 | Fine particulate matter (<2.5µm) | μg/m³ |
| pm10 | PM10 | Inhalable particulate matter (<10µm) | μg/m³ |
| so2 | SO2 | Sulfur dioxide | ppb |
| trs | TRS | Total reduced sulfur | μg/m³ |