Air quality in Castries today
St. Lucia · Updated Friday 00:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Moderate European AQI
Sensitive people may want to take it easier outdoors.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 16 µg/m³ | Fair |
| PM10 | 44 µg/m³ | Moderate |
| NO₂ | 0 µg/m³ | Good |
| O₃ | 32 µg/m³ | Good |
The pollutant that matters most in Castries right now is PM10.
Forecast: next 24 hours
The air in Castries should stay good to fair for the next 24 hours. The cleanest hour is expected around Sat 00:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 01:00 | 40 | Fair | 15 |
| Fri 04:00 | 28 | Fair | 9 |
| Fri 07:00 | 29 | Fair | 10 |
| Fri 10:00 | 34 | Fair | 12 |
| Fri 13:00 | 31 | Fair | 11 |
| Fri 16:00 | 29 | Fair | 9 |
| Fri 19:00 | 25 | Fair | 8 |
| Fri 22:00 | 21 | Fair | 5 |
The last 30 days
Over the last 30 days the average daily AQI in Castries was 26, with 0 day(s) rated poor or worse. The cleanest day was 16 Sept, the most polluted 11 Sept.
Questions and answers
- Is the air in Castries good today?
- Right now the European Air Quality Index in Castries is 41, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Castries?
- At the moment PM10 contributes most to the air quality index in Castries. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Castries be cleanest?
- The air in Castries should stay good to fair for the next 24 hours. The cleanest hour is expected around Sat 00:00.
- 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.