What is the air quality in Westport today?

The current Air Quality Index (AQI) in Westport is 23 (Good). PM2.5 concentration is 5.6 µg/m³.

What is the temperature in Westport right now?

The current temperature in Westport is 10.6°C (feels like 10.6°C). Humidity is 94.8% and wind speed is 75.1 km/h.

Is it safe to go outside in Westport?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Westport, United States

Drizzle

10.6°C · 94.8% humidity

10.6°

Feels 10.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

47h · 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.

94.8%

Humidity

75.1 km/h

Wind NNW

1006.8 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westport?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations

PM2.55.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX6.9

High

Station readings (2 stations within 25 km)

5.6

Median

5.6

Average

5.0

Low

6.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.2

Both models agree Avg diff: 3.8°C

Where are air quality stations near Westport?

Bridgeport, Connecticut, USA

14.0 km PM2.5: 3.1 µg/m³

Bridgeport, Connecticut, USA

14.0 km PM2.5: 5.0 µg/m³

What cities are near Westport?

23 Norwalk 23 East Norwalk 26 Wilton 5 New Canaan 5 Darien 23 Bridgeport 5 North Stamford 23 Trumbull 8 Stamford 23 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 2026-05-30T18:11 UTC.