Air Quality in Norwalk, United States

Cloudy
4.4°C · 70.6% humidity
4.4°
Feels -0.8°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
23 7pm
2
4
23 10pm
23
23
23 1am
36
36
36 4am
36
36
36 7am
36
61
61 10am
61
61
61 1pm
61
61
61 4pm
61
61
Station readings
2
4
CAMS model adj -14
37
37
37
37
37
37
37
50
50
50
50
50
50
50
75
75
75
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

22h · 1 station
70.6%
Humidity
30.6 km/h
Wind SSE
1033.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.58.28 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
04-09
10.0° -0.3°
04-10
17.0° 2.3°
04-11
21.6° 6.9°
04-12
17.2° 7.2°
04-13
12.2° 7.6°
1.25 mm
04-14
27.1° 13.7°
0.38 mm
04-15
23.7° 18.8°
0.75 mm

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:09 UTC.