Air Quality in Westport, United States
Rain
16.0°C · 97.6% humidity
16.0°
Feels 16.0°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Westport's air quality — share it
AQI Forecast
34
4pm
34
27
67
7pm
56
48
42
10pm
38
33
30
1am
29
28
26
4am
25
25
25
7am
26
25
25
10am
25
27
27
1pm
27
27
Air Quality Index Trend
48h · 2 stnWestport's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Westport is 1.3× the WHO 24-hour guideline of 15 µg/m³.
97.6%
Humidity
41.8 km/h
Wind N
1013.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
19.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Westport?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.519.7 µg/m³
×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (1 station within 25 km)
19.7
Median
19.7
Average
19.7
Low
19.7
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -13.2
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?
What cities are near Westport?
Get AQI alerts for Westport
Notify me when air quality reaches:
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 2026-07-21T23:13 UTC.