Air Quality in Norwalk, United States
Windy
10.4°C · 74.0% humidity
10.4°
Feels 10.4°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Norwalk's air quality — share it
AQI Forecast
25
8pm
25
25
40
11pm
36
35
33
2am
31
30
29
5am
28
28
28
8am
28
27
25
11am
25
25
25
2pm
25
25
25
5pm
25
25
Norwalk's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
74.0%
Humidity
55.3 km/h
Wind WNW
1007.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.6 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Norwalk?
Temperature & Precipitation
PM2.59.6 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Norwalk?
06-09
30.1° 10.4°
0.06 mm
06-10
21.9° 18.3°
7.88 mm
06-11
23.0° 10.4°
06-12
27.0° 18.0°
2.38 mm
06-13
25.4° 21.7°
2.13 mm
06-14
23.1° 15.0°
0.19 mm
06-15
29.8° 20.2°
4.13 mm
Both models agree
Avg diff: 5.6°C
What cities are near Norwalk?
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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 2026-06-09T03:41 UTC.