What is the air quality in Westport today?

The current Air Quality Index (AQI) in Westport is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Westport right now?

The current temperature in Westport is 16.0°C (feels like 16.0°C). Humidity is 97.6% and wind speed is 41.8 km/h.

Is it safe to go outside in Westport?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Westport, United States

Rain

16.0°C · 97.6% humidity

16.0°

Feels 16.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

34 2pm

30 5pm

27 8pm

27 11pm

25 2am

24 5am

25 8am

25 11am

Air Quality Index Trend

48h · 4 stn

View full history →

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

97.6%

Humidity

41.8 km/h

Wind N

1013.6 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westport?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (1 station within 25 km)

7.2

Median

7.2

Average

7.2

Low

7.2

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +1.0

What is the 7-day forecast for Westport?

07-21

25.1° 17.0°

9.0 mm

07-22

21.8° 14.7°

24.31 mm

07-23

28.1° 15.9°

8.31 mm

07-24

24.4° 15.0°

5.81 mm

07-25

32.7° 20.0°

5.25 mm

07-26

22.1° 17.3°

3.75 mm

07-27

27.0° 20.2°

1.25 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Westport?

Bridgeport, Connecticut, USA

14.0 km PM2.5: 9.1 µg/m³

What cities are near Westport?

30 Norwalk 30 East Norwalk 34 Wilton 35 New Canaan 33 Darien 30 Bridgeport 47 North Stamford 30 Trumbull 33 Stamford 30 Stratford

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

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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 2026-07-21T21:28 UTC.