Air quality in La Unión today
Colombia · Updated Thursday 20:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Good European AQI
Clean air. A great time to be outside.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 3 µg/m³ | Good |
| PM10 | 3 µg/m³ | Good |
| NO₂ | 10 µg/m³ | Good |
| O₃ | 31 µg/m³ | Good |
The pollutant that matters most in La Unión right now is O₃.
Forecast: next 24 hours
The air in La Unión should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 19:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 21:00 | 21 | Fair | 3 |
| Fri 00:00 | 26 | Fair | 4 |
| Fri 03:00 | 29 | Fair | 6 |
| Fri 06:00 | 24 | Fair | 5 |
| Fri 09:00 | 26 | Fair | 4 |
| Fri 12:00 | 34 | Fair | 4 |
| Fri 15:00 | 22 | Fair | 3 |
| Fri 18:00 | 15 | Good | 3 |
Questions and answers
- Is the air in La Unión good today?
- Right now the European Air Quality Index in La Unión is 20, which is good. Clean air. A great time to be outside.
- What pollutes the air in La Unión?
- At the moment O₃ contributes most to the air quality index in La Unión. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in La Unión be cleanest?
- The air in La Unión should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 19:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.