Santa Maria da Feira Municipality air quality
Updated 15/10, 03:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 03:00
80
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 31,3 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 33,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 33 µg/m³ | Ozone |
| NO₂ | 23 µg/m³ | Nitrogen dioxide |
| SO₂ | 2,5 µg/m³ | Sulphur dioxide |
| CO | 209 µg/m³ | Carbon monoxide |
AQI, next 17 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 10:00 | 86 | Moderate |
| 11:00 | 86 | Moderate |
| 12:00 | 87 | Moderate |
| 13:00 | 87 | Moderate |
| 14:00 | 88 | Moderate |
| 15:00 | 88 | Moderate |
| 16:00 | 88 | Moderate |
| 17:00 | 88 | Moderate |
| 18:00 | 88 | Moderate |
| 19:00 | 88 | Moderate |
| 20:00 | 87 | Moderate |
| 21:00 | 86 | Moderate |
| 22:00 | 85 | Moderate |
| 23:00 | 84 | Moderate |
| 00:00 | 83 | Moderate |
| 01:00 | 82 | Moderate |
| 02:00 | 81 | Moderate |
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