Welkom air quality
Updated 10. 18. 07:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 07:00
58
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 23,7 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 24,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 59 µg/m³ | Ozone |
| NO₂ | 8,4 µg/m³ | Nitrogen dioxide |
| SO₂ | 6,6 µg/m³ | Sulphur dioxide |
| CO | 210 µg/m³ | Carbon monoxide |
AQI, next 2 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 05:00 | 57 | Moderate |
| 06:00 | 56 | Moderate |