Air Quality in New Canaan, United States

Windy
11.0°C · 62.4% humidity
11.0°
Feels 11.0°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
24 7am
24
24
45 10am
39
35
32 1pm
30
28
27 4pm
26
25
25 7pm
25
26
24 10pm
24
24
25 1am
25
25
25 4am
25
25
AD 728×90

Air Quality Index Trend

48h · 1 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 2.2× the WHO annual guideline of 5 µg/m³.

62.4%
Humidity
41.9 km/h
Wind N
1022.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for New Canaan?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.510.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
10.8
Median
10.8
Average
10.8
Low
10.8
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -5.0

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: 4.0°C

Where are air quality stations near New Canaan?

6
White Plains, New York, USA
24.9 km PM2.5: 1.4 µg/m³

What cities are near New Canaan?

45 North Stamford 13 Wilton 45 Darien 21 Norwalk 21 East Norwalk 30 Stamford 21 Westport 28 Port Chester 25 Rye 40 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 2026-05-29T14:29 UTC.