Petrópolis air quality
Updated 30/09, 21:02
The data may not be up to date.
Current AQI
US EPA scale · observed at 21:00
74
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 22,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 23,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 60 µg/m³ | Ozone |
| NO₂ | 32,5 µg/m³ | Nitrogen dioxide |
| SO₂ | 7,3 µg/m³ | Sulphur dioxide |
| CO | 693 µg/m³ | Carbon monoxide |