Air Quality in Holtsville, United States
Windy
18.8°C · 98.5% humidity
18.8°
Feels 18.8°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Holtsville's air quality — share it
AQI Forecast
24
1am
25
25
26
4am
25
25
24
7am
24
24
24
10am
24
24
24
1pm
24
24
24
4pm
24
24
24
7pm
24
24
24
10pm
24
24
Air Quality Index Trend
42h · 4 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.
98.5%
Humidity
64.5 km/h
Wind W
1013.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Holtsville?
Temperature & Precipitation
PM2.5 Trend
42h · 4 stationsPM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Holtsville?
05-30
18.8° 12.2°
0.75 mm
05-31
24.7° 12.9°
06-01
18.7° 12.3°
4.94 mm
06-02
20.9° 16.4°
0.06 mm
06-03
20.0° 15.3°
0.13 mm
06-04
20.1° 16.6°
0.25 mm
06-05
19.6° 15.1°
1.0 mm
Both models agree
Avg diff: 2.3°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T08:14 UTC.