Air Quality in Holtsville, United States
Windy
24.7°C · 61.0% humidity
24.7°
Feels 24.7°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Holtsville's air quality — share it
AQI Forecast
25
8am
27
27
27
11am
27
27
27
2pm
27
27
25
5pm
25
25
27
8pm
34
27
27
11pm
27
27
27
2am
34
34
34
5am
34
34
Air Quality Index Trend
42h · 1 stnHoltsville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
61.0%
Humidity
101.3 km/h
Wind SSW
1015.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Holtsville?
Temperature & Precipitation
PM2.5 Trend
42h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Holtsville?
06-09
24.7° 14.6°
0.69 mm
06-10
21.2° 18.4°
11.94 mm
06-11
22.0° 13.0°
06-12
22.4° 15.8°
5.94 mm
06-13
22.2° 16.5°
06-14
25.7° 16.5°
17.5 mm
06-15
22.1° 16.6°
Both models agree
Avg diff: 3.1°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T15:56 UTC.