Air Quality in Norwalk, United States
Windy
19.9°C · 82.8% humidity
19.9°
Feels 19.9°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Norwalk's air quality — share it
AQI Forecast
27
5am
27
27
43
8am
38
35
31
11am
29
28
27
2pm
27
26
26
5pm
26
25
24
8pm
24
24
24
11pm
24
24
24
2am
24
24
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.
82.8%
Humidity
58.4 km/h
Wind SSW
1012.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.42 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Norwalk?
Temperature & Precipitation
PM2.510.42 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
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: 5.3°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 2026-06-09T12:51 UTC.