Air Quality in Darien, United States

Windy
7.7°C · 69.2% humidity
7.7°
Feels 1.9°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
28 10pm
28
28
28 1am
41
41
41 4am
41
41
41 7am
41
66
66 10am
66
66
66 1pm
66
66
66 4pm
66
66
66 7pm
66
66
Station readings 4h ago
AQI 19
PM2.5 4.5 µg/m³ · 4h ago
CAMS model adj -9
37
37
37
37
50
50
50
50
50
50
50
75
75
75
75
75
75
75
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

18h · 2 stations
69.2%
Humidity
58.3 km/h
Wind S
1033.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Darien?

Temperature & Precipitation

PM2.520.26 µg/m³ ×1.4 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Darien?

04-10
11.4° 6.6°
04-11
18.5° 9.7°
04-12
15.2° 8.8°
04-13
12.7° 9.3°
1.5 mm
04-14
22.3° 13.7°
04-15
21.6° 16.8°
04-16
14.6° 10.0°
0.06 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Darien?

23
Bridgeport, Connecticut, USA
25.2 km

What cities are near Darien?

67 Stamford 58 East Norwalk 70 Norwalk 68 New Canaan 56 North Stamford 58 Westport 70 Wilton 65 Port Chester 65 Rye 53 Harrison

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:45 UTC.