Air Quality in San Dimas, United States

Clear
13.9°C · 47.1% humidity
13.9°
Feels 13.9°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1am
54
54
45 4am
48
49
51 7am
52
52
53 10am
53
53
54 1pm
54
54
54 4pm
54
54
54 7pm
54
54
54 10pm
54
54
AD 728×90

Air Quality Index Trend

48h · 2 stn

San Dimas's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

47.1%
Humidity
22.6 km/h
Wind NNE
1012.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
45
10.85 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.510.85 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
06-09
27.8° 13.9°
06-10
29.4° 15.5°
06-11
26.5° 15.5°
06-12
29.9° 16.2°
0.19 mm
06-13
33.1° 17.1°
06-14
28.2° 19.1°
06-15
25.6° 8.9°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T11:45 UTC.