Air Quality in New Canaan, United States

Windy
26.5°C · 32.5% humidity
26.5°
Feels 26.5°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 8pm
54
54
63 11pm
60
59
57 2am
36
36
55 5am
55
35
34 8am
27
27
27 11am
27
34
34 2pm
34
54
54 5pm
54
34
AD 728×90

Air Quality Index Trend

46h · 12 stn

New 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. Current PM2.5 concentration in New Canaan is 1.2× the WHO 24-hour guideline of 15 µg/m³.

32.5%
Humidity
46.6 km/h
Wind WNW
1010.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.65 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for New Canaan?

Temperature & Precipitation

PM2.5 Trend

46h · 12 stations
PM2.517.65 µg/m³ ×1.2 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for New Canaan?

08-03
26.5° 19.2°
6.94 mm
08-04
36.6° 20.3°
08-05
33.4° 20.3°
0.06 mm
08-06
28.6° 17.3°
08-07
30.4° 20.1°
4.81 mm
08-08
26.1° 20.7°
0.13 mm
08-09
38.1° 21.6°
0.5 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near New Canaan?

28
White Plains, New York, USA
24.9 km PM2.5: 6.7 µg/m³

What cities are near New Canaan?

54 North Stamford 37 Wilton 54 Darien 37 Norwalk 37 East Norwalk 52 Stamford 37 Westport 52 Port Chester 52 Rye 52 White Plains
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:56 UTC.