São João do Piauí air quality
Updated 14/10, 22:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 22:00
39
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 3,3 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 56 µg/m³ | Ozone |
| NO₂ | 3,8 µg/m³ | Nitrogen dioxide |
| SO₂ | 0,4 µg/m³ | Sulphur dioxide |
| CO | 125 µg/m³ | Carbon monoxide |
AQI, next 4 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 18:00 | 44 | Good |
| 19:00 | 44 | Good |
| 20:00 | 44 | Good |
| 21:00 | 43 | Good |