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

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
AD 728×90

Air Quality Index Trend

48h · 2 stn

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. 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
PM2.5
67
19.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.519.7 µg/m³ ×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
19.7
Median
19.7
Average
19.7
Low
19.7
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -13.2
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
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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 2026-07-21T23:13 UTC.