Air Quality in New Canaan, United States

Drizzle
17.7°C · 61.2% humidity
17.7°
Feels 17.7°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
24 5pm
24
24
25 8pm
24
24
25 11pm
24
24
24 2am
24
24
24 5am
24
24
24 8am
24
24
24 11am
24
24
24 2pm
24
24
AD 728×90

Air Quality Index Trend

48h · 2 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 annual guideline of 5 µg/m³.

61.2%
Humidity
12.0 km/h
Wind WSW
1018.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for New Canaan?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.56.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
6.0
Median
6.0
Average
6.0
Low
6.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.1

What is the 7-day forecast for New Canaan?

05-29
17.7° 11.0°
0.19 mm
05-30
22.6° 10.2°
2.44 mm
05-31
27.5° 8.4°
06-01
23.8° 10.0°
06-02
20.2° 9.9°
06-03
25.7° 14.7°
0.19 mm
06-04
23.1° 17.2°
1.25 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near New Canaan?

15
White Plains, New York, USA
24.9 km PM2.5: 3.6 µg/m³

What cities are near New Canaan?

25 North Stamford 20 Wilton 25 Darien 20 Norwalk 20 East Norwalk 19 Stamford 19 Westport 19 Port Chester 18 Rye 23 White Plains
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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 2026-05-29T00:27 UTC.