Suffolk County, New York, USA Air Quality

Monitoring Station · Holtsville, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
33 12am
33
33
33 3am
33
13
13 6am
13
13
33 9am
33
13
13 12pm
6
—
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
CAMS model adj -21
54
54
54
54
54
34
34
34
34
54
54
34
34
27

Air Quality Forecast (24h)

PM2.56.7 µg/m³ ✓ WHO
Good
View city history →

Nearby Cities

54 Holtsville 54 Farmingville 54 Holbrook 54 Selden 54 Centereach 54 Medford 54 Lake Ronkonkoma 54 Coram 54 Ronkonkoma

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:00 UTC.