Niterói air quality
Updated 09. 30. 22:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 22:00
167
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 48,2 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 51,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 87 µg/m³ | Ozone |
| NO₂ | 65,2 µg/m³ | Nitrogen dioxide |
| SO₂ | 15 µg/m³ | Sulphur dioxide |
| CO | 499 µg/m³ | Carbon monoxide |