Castanhal air quality
Updated 17/10, 02:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 02:00
35
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 3,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 5,2 µg/m³ | Particles ≤ 10 µm |
| O₃ | 20 µg/m³ | Ozone |
| NO₂ | 3,5 µg/m³ | Nitrogen dioxide |
| SO₂ | 0,6 µg/m³ | Sulphur dioxide |
| CO | 114 µg/m³ | Carbon monoxide |
AQI, next 9 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 17:00 | 26 | Good |
| 18:00 | 27 | Good |
| 19:00 | 28 | Good |
| 20:00 | 28 | Good |
| 21:00 | 29 | Good |
| 22:00 | 29 | Good |
| 23:00 | 30 | Good |
| 00:00 | 31 | Good |
| 01:00 | 32 | Good |