What is the air quality in Castries today?

The current Air Quality Index (AQI) in Castries is 38 (Good). PM2.5 concentration is 9.0 µg/m³.

What is the temperature in Castries right now?

The current temperature in Castries is 26.9°C (feels like 26.9°C). Humidity is 76.5% and wind speed is 40.2 km/h.

Is it safe to go outside in Castries?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Castries, Saint Lucia

Windy

26.9°C · 76.5% humidity

26.9°

Feels 26.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 3pm

38 6pm

30 9pm

27 12am

28 3am

54 6am

34 9am

54 12pm

View AQI history for Castries →

76.5%

Humidity

40.2 km/h

Wind ESE

1014.6 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castries?

Temperature & Precipitation

PM2.59.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Castries?

09-06

28.4° 26.7°

1.19 mm

09-07

30.0° 26.8°

1.37 mm

09-08

29.4° 26.9°

7.37 mm

09-09

29.6° 27.1°

0.56 mm

09-10

29.2° 26.5°

7.88 mm

09-11

29.6° 27.2°

0.88 mm

09-12

29.7° 26.3°

7.31 mm

Both models agree Avg diff: 1.3°C

What cities are near Castries?

38 Gros Islet 25 Ducos 25 Fort-de-France 25 Le Lamentin 25 Le François 25 Saint-Joseph 25 Le Robert 25 La Trinité 25 Sainte-Marie 25 Kingstown

Get AQI alerts for Castries

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-06T22:54 UTC.