Air Quality in Holtsville, United States

Windy
6.2°C · 77.5% humidity
6.2°
Feels 0.5°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
37 10pm
37
37
37 1am
50
50
50 4am
50
50
50 7am
50
50
50 10am
50
75
75 1pm
75
75
75 4pm
75
75
50 7pm
50
50
AD 728×90
77.5%
Humidity
47.6 km/h
Wind SSE
1034.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Holtsville?

Temperature & Precipitation

PM2.516.94 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Holtsville?

04-10
11.3° 6.2°
04-11
17.4° 8.4°
04-12
16.3° 9.2°
04-13
11.2° 7.9°
0.62 mm
04-14
16.5° 10.9°
0.06 mm
04-15
16.7° 12.2°
04-16
15.7° 10.4°
Both models agree Avg diff: 1.8°C

What cities are near Holtsville?

62 Farmingville 61 Holbrook 63 Medford 62 Selden 61 Centereach 62 East Patchogue 63 Coram 60 Lake Ronkonkoma 60 Ronkonkoma 59 Sayville

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:51 UTC.