Air Quality in Upland, United States

Clear
26.3°C · 48.5% humidity
26.3°
Feels 26.3°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
66 5am
66
66
17 8am
27
35
20 11am
17
20
22 2pm
23
31
32 5pm
33
53
53 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

45h · 22 stn

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

48.5%
Humidity
38.2 km/h
Wind SSW
1017.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
17
4.1 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Upland?

Temperature & Precipitation

PM2.5 Trend

45h · 22 stations
PM2.54.1 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX2.9
Moderate
AD 300×250
Station readings (1 station within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +16.2

What is the 7-day forecast for Upland?

09-05
26.6° 20.1°
09-06
31.1° 18.3°
09-07
32.8° 18.0°
1.13 mm
09-08
32.9° 12.7°
0.31 mm
09-09
29.7° 15.6°
09-10
29.2° 11.8°
09-11
35.4° 17.2°
Both models agree Avg diff: 5.3°C

Where are air quality stations near Upland?

17
Glendora-Laurel, Los Angeles
19.3 km PM2.5: 4.1 µg/m³
52
Rubidoux - Mission Blvd, Riverside
24.0 km PM2.5: 12.6 µg/m³

What cities are near Upland?

17 Ontario 17 Rancho Cucamonga 17 Claremont 17 Chino 17 Pomona 17 La Verne 17 San Dimas 17 Chino Hills 17 Diamond Bar 68 Eastvale
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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 2026-09-05T15:06 UTC.