Suffolk County, New York, USA Air Quality

Monitoring Station · Holtsville, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 10pm
26
19
17 1am
17
16
16 4am
16
17
17 7am
17
17
17 10am
16
16
1pm
4pm
7pm
CAMS model adj -8
34
34
27
25
25
24
24
24
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25
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25
24
24
PM2.54.3 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T01:32 UTC.