Air Quality in East Setauket, United States
Rain
26.4°C · 74.1% humidity
26.4°
Feels 26.4°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
East Setauket's air quality — share it
AQI Forecast
25
12pm
25
25
16
3pm
18
19
21
6pm
23
23
24
9pm
24
24
25
12am
25
24
24
3am
24
24
24
6am
24
24
25
9am
25
25
Air Quality Index Trend
45h · 3 stnEast Setauket's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
74.1%
Humidity
43.5 km/h
Wind WSW
1015.1 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for East Setauket?
Temperature & Precipitation
PM2.5 Trend
45h · 3 stationsPM2.53.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (1 station within 25 km)
3.8
Median
3.8
Average
3.8
Low
3.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.2
What is the 7-day forecast for East Setauket?
09-05
26.4° 16.8°
5.25 mm
09-06
23.6° 19.8°
0.19 mm
09-07
20.9° 19.4°
0.13 mm
09-08
24.8° 21.2°
1.94 mm
09-09
23.9° 17.0°
0.13 mm
09-10
22.5° 19.0°
26.19 mm
09-11
26.7° 16.9°
Both models agree
Avg diff: 3.3°C
Where are air quality stations near East Setauket?
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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 2026-09-05T19:16 UTC.