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
Air Quality Index Trend
48h · 1 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. 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▲
10.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for New Canaan?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.510.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
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?
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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.