Air Quality in Lancaster, United States
Windy
26.3°C · 36.8% humidity
26.3°
Feels 26.3°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Lancaster's air quality — share it
AQI Forecast
27
9pm
27
27
44
12am
37
34
30
3am
28
27
27
6am
27
26
26
9am
26
25
25
12pm
27
27
34
3pm
34
34
34
6pm
34
34
Air Quality Index Trend
24h · 1 stnLancaster's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
36.8%
Humidity
64.9 km/h
Wind NNW
1015.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Lancaster?
Temperature & Precipitation
PM2.5 Trend
24h · 1 stationPM2.510.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Lancaster?
08-03
26.3° 19.4°
1.37 mm
08-04
32.9° 15.6°
1.13 mm
08-05
33.3° 14.7°
8.13 mm
08-06
31.5° 18.0°
1.81 mm
08-07
29.9° 16.9°
0.31 mm
08-08
32.1° 21.0°
9.62 mm
08-09
35.8° 22.1°
0.13 mm
Both models agree
Avg diff: 3.2°C
What cities are near Lancaster?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:49 UTC.