What is the air quality in Westport today?

The current Air Quality Index (AQI) in Westport is 28 (Good). PM2.5 concentration is 6.7 µg/m³.

What is the temperature in Westport right now?

The current temperature in Westport is 7.8°C (feels like 4.9°C). Humidity is 64.3% and wind speed is 16.7 km/h.

Is it safe to go outside in Westport?

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

Air Quality in Westport, United States

Partly Cloudy

7.8°C · 64.3% humidity

7.8°

Feels 4.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 11 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.

64.3%

Humidity

16.7 km/h

Wind SE

1029.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.7 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westport?

Temperature & Precipitation

PM2.5 Trend

46h · 11 stations

PM2.56.7 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

6.7

Median

6.7

Average

6.7

Low

6.7

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -0.2

What is the 7-day forecast for Westport?

10-20

14.9° 5.2°

11.69 mm

10-21

20.7° 5.5°

10-22

17.8° 7.4°

7.5 mm

10-23

14.8° 5.3°

10-24

11.8° 8.3°

10-25

19.0° 9.2°

50.0 mm

10-26

11.4° 5.5°

Both models agree Avg diff: 3.5°C

Where are air quality stations near Westport?

Bridgeport, Connecticut, USA

14.0 km PM2.5: 2.6 µg/m³

Bridgeport, Connecticut, USA

14.0 km PM2.5: 2.6 µg/m³

What cities are near Westport?

28 Norwalk 28 East Norwalk 24 Wilton 16 New Canaan 16 Darien 28 Bridgeport 16 North Stamford 28 Trumbull 13 Stamford 28 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 2026-10-20T22:41 UTC.