What is the air quality in Westminster today?

The current Air Quality Index (AQI) in Westminster is 21 (Good). PM2.5 concentration is 5.06 µg/m³.

What is the temperature in Westminster right now?

The current temperature in Westminster is 8.5°C (feels like 4.8°C). Humidity is 78.1% and wind speed is 26.9 km/h.

Is it safe to go outside in Westminster?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Westminster, United States

Cloudy

8.5°C · 78.1% humidity

8.5°

Feels 4.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

— 4pm

—

— 7pm

—

— 10pm

—

— 1am

—

— 4am

—

— 7am

—

— 10am

—

— 1pm

—

Air Quality Index Trend

44h · 3 stn

View full history →

Westminster's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

78.1%

Humidity

26.9 km/h

Wind ENE

1027.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.06 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Westminster?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations

PM2.55.06 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Westminster?

10-20

15.7° 4.4°

1.94 mm

10-21

23.3° 4.2°

0.06 mm

10-22

20.1° 7.6°

10-23

12.4° 2.5°

0.5 mm

10-24

14.3° 6.0°

10-25

16.2° 5.8°

1.5 mm

10-26

12.9° 9.0°

3.88 mm

Both models agree Avg diff: 4.1°C

What cities are near Westminster?

38 Reisterstown 20 Eldersburg 21 Hanover 38 Owings Mills 38 Randallstown 38 Hunt Valley 30 Milford Mill 38 Cockeysville 38 Pikesville 32 Lochearn

Get AQI alerts for Westminster

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 2026-10-20T23:40 UTC.