Air Quality in East Setauket, United States

Clear
22.4°C · 47.4% humidity
22.4°
Feels 22.4°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 1am
34
34
60 4am
73
67
44 7am
41
32
31 10am
37
36
55 1pm
55
55
54 4pm
34
34
27 7pm
27
27
34 10pm
34
34
AD 728×90

Air Quality Index Trend

31h · 3 stn

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. Current PM2.5 concentration in East Setauket is 1.1× the WHO 24-hour guideline of 15 µg/m³.

47.4%
Humidity
31.7 km/h
Wind W
1011.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.35 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for East Setauket?

Temperature & Precipitation

PM2.5 Trend

31h · 3 stations
PM2.516.35 µg/m³ ×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for East Setauket?

08-03
24.3° 21.2°
1.63 mm
08-04
30.0° 22.0°
08-05
26.6° 21.9°
08-06
25.0° 20.2°
0.06 mm
08-07
27.6° 21.7°
8.38 mm
08-08
27.9° 22.1°
1.56 mm
08-09
30.9° 22.8°
0.38 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near East Setauket?

25
Suffolk County, New York, USA
13.3 km PM2.5: 6.0 µg/m³
18
Suffolk County, New York, USA
13.3 km PM2.5: 4.3 µg/m³

What cities are near East Setauket?

60 Setauket-East Setauket 54 Centereach 54 Selden 54 Coram 54 Lake Ronkonkoma 54 Smithtown 54 Ronkonkoma 54 Farmingville 54 Kings Park 54 Holbrook
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T08:24 UTC.