What is the air quality in Saint Croix today?

The current Air Quality Index (AQI) in Saint Croix is 26 (Good). PM2.5 concentration is 6.25 µg/m³.

What is the temperature in Saint Croix right now?

The current temperature in Saint Croix is 26.3°C (feels like 26.3°C). Humidity is 83.2% and wind speed is 104.3 km/h.

Is it safe to go outside in Saint Croix?

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

Air Quality in Saint Croix, Virgin Islands, U.S.

Drizzle

26.3°C · 83.2% humidity

26.3°

Feels 26.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

25 1am

26 4am

34 7am

27 10am

25 1pm

27 4pm

27 7pm

27 10pm

View AQI history for Saint Croix →

83.2%

Humidity

104.3 km/h

Wind ESE

1016.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.25 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Saint Croix?

Temperature & Precipitation

PM2.56.25 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Saint Croix?

07-22

29.8° 26.3°

2.63 mm

07-23

30.8° 26.3°

1.69 mm

07-24

30.8° 25.5°

1.0 mm

07-25

29.8° 25.4°

2.81 mm

07-26

30.6° 25.6°

1.19 mm

07-27

30.5° 25.7°

2.5 mm

07-28

30.7° 25.3°

0.38 mm

Both models agree Avg diff: 1.4°C

What cities are near Saint Croix?

25 Charlotte Amalie 25 Road Town 27 Fajardo 27 Humacao 31 Carolina 27 Guayama 27 Caguas 31 Trujillo Alto 27 Cayey 27 Guaynabo

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T08:45 UTC.