Air Quality in Pomona, United States

Windy
30.6°C · 22.5% humidity
30.6°
Feels 30.6°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
68 4pm
64
61
59 7pm
58
57
56 10pm
55
55
55 1am
54
54
54 4am
66
66
66 7am
66
54
54 10am
54
54
AD 728×90

Air Quality Index Trend

46h · 83 stn

Pomona's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Pomona is 1.4× the WHO 24-hour guideline of 15 µg/m³.

22.5%
Humidity
48.9 km/h
Wind S
1012.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
68
20.3 µg/m³
PM10
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Pomona?

Temperature & Precipitation

PM2.5 Trend

46h · 83 stations
PM2.520.3 µg/m³ ×1.4 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Pomona?

08-03
31.4° 20.0°
08-04
27.7° 20.0°
0.44 mm
08-05
32.8° 20.6°
0.5 mm
08-06
31.8° 17.9°
08-07
30.0° 19.1°
08-08
27.6° 16.2°
08-09
32.3° 16.9°
Both models agree Avg diff: 4.4°C

Where are air quality stations near Pomona?

51
Glendora-Laurel, Los Angeles
13.4 km PM2.5: 12.1 µg/m³
90
Glendora-Laurel, Los Angeles
13.4 km PM2.5: 30.6 µg/m³
94
Glendora-Laurel, Los Angeles
13.4 km PM2.5: 32.5 µg/m³

What cities are near Pomona?

69 La Verne 68 Claremont 74 Diamond Bar 68 Chino Hills 60 Chino 75 San Dimas 60 Ontario 60 Upland 74 Walnut 42 Covina
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:58 UTC.