São Mateus do Maranhão air quality
Updated 13/10, 22:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 22:00
49
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 12,2 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 15,5 µg/m³ | Particles ≤ 10 µm |
| O₃ | 52 µg/m³ | Ozone |
| NO₂ | 4,2 µg/m³ | Nitrogen dioxide |
| SO₂ | 1,2 µg/m³ | Sulphur dioxide |
| CO | 121 µg/m³ | Carbon monoxide |
AQI, next 1 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 21:00 | 50 | Good |