Air Quality in Castries, Saint Lucia
Drizzle
27.9°C · 72.9% humidity
27.9°
Feels 32.9°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Castries's air quality — share it
AQI Forecast
54
11pm
54
54
45
2am
48
49
51
5am
52
52
53
8am
53
53
54
11am
54
54
54
2pm
54
54
54
5pm
54
34
34
8pm
34
27
72.9%
Humidity
97.1 km/h
Wind E
1013.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.91 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Castries?
Temperature & Precipitation
PM2.510.91 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Castries?
08-03
27.9° 26.6°
4.31 mm
08-04
28.9° 26.4°
0.94 mm
08-05
29.2° 26.5°
0.31 mm
08-06
29.2° 26.5°
0.75 mm
08-07
29.5° 25.9°
0.75 mm
08-08
29.2° 26.8°
0.63 mm
08-09
28.6° 26.1°
1.19 mm
Both models agree
Avg diff: 1.1°C
What cities are near Castries?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:29 UTC.