Air Quality in New Canaan, United States
Rain
16.0°C · 97.6% humidity
16.0°
Feels 16.0°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
54
2pm
54
54
35
5pm
34
34
27
8pm
34
34
34
11pm
27
27
25
2am
27
25
25
5am
25
25
25
8am
25
25
27
11am
27
27
Air Quality Index Trend
47h · 6 stnNew Canaan's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
97.6%
Humidity
41.8 km/h
Wind N
1013.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.37 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for New Canaan?
Temperature & Precipitation
PM2.5 Trend
47h · 6 stationsPM2.58.37 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for New Canaan?
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: 2.9°C
Where are air quality stations near New Canaan?
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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 2026-07-21T21:30 UTC.