Air Quality in Setauket-East Setauket, United States
Windy
27.4°C · 48.7% humidity
27.4°
Feels 29.2°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Setauket-East Setauket's air quality — share it
AQI Forecast
27
11am
27
27
13
2pm
17
20
20
5pm
21
22
25
8pm
33
26
26
11pm
27
27
27
2am
34
34
34
5am
34
34
34
8am
34
34
Air Quality Index Trend
45h · 1 stnSetauket-East 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.
48.7%
Humidity
78.6 km/h
Wind SW
1014.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.1 µg/m³
PM10▲
27.45 µg/m³
050100150200300500
What is the weather forecast for Setauket-East Setauket?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.53.1 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
3.1
Median
3.1
Average
3.1
Low
3.1
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +9.8
What is the 7-day forecast for Setauket-East Setauket?
06-09
27.4° 14.6°
0.88 mm
06-10
21.1° 17.1°
6.37 mm
06-11
20.1° 12.6°
06-12
21.1° 16.0°
7.25 mm
06-13
24.8° 16.6°
0.19 mm
06-14
22.2° 16.0°
20.87 mm
06-15
21.9° 16.5°
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Setauket-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 2026-06-09T18:56 UTC.