Air Quality in Darien, United States
Windy
18.5°C · 53.3% humidity
18.5°
Feels 18.5°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Darien's air quality — share it
AQI Forecast
27
7pm
27
54
60
10pm
62
63
52
1am
52
53
26
4am
24
25
24
7am
24
25
25
10am
25
25
25
1pm
24
24
24
4pm
24
24
Air Quality Index Trend
48h · 2 stnDarien'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 Darien is 1.1× the WHO 24-hour guideline of 15 µg/m³.
53.3%
Humidity
52.7 km/h
Wind ESE
1021.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.35 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Darien?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.516.35 µg/m³
×1.1 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Darien?
06-13
25.1° 18.5°
2.0 mm
06-14
23.4° 16.7°
17.75 mm
06-15
23.8° 17.9°
06-16
25.5° 20.0°
8.63 mm
06-17
23.0° 17.6°
1.0 mm
06-18
23.9° 19.2°
0.87 mm
06-19
31.2° 20.4°
0.19 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Darien?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-13T02:04 UTC.