Stay updated with real-time air quality in Upland, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
64
Moderate
Upland, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.07 μg/m³
0
55
155
255
425
605+
11.06 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
30.51 ppb
0
54
101
361
1250
2050+
0.61 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Upland, California
Upland, California
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AQI 66
Moderate
17.04μg/m³
PM2.5
32.44μg/m³
PM10
10.03ppb
O3
0.99ppb
SO2
31.94ppb
NO2
0.60ppm
CO
AQI 58
Moderate
13.05μg/m³
PM2.5
27.57μg/m³
PM10
12.95ppb
O3
0.91ppb
SO2
31.01ppb
NO2
0.68ppm
CO
AQI 62
Moderate
14.82μg/m³
PM2.5
32.16μg/m³
PM10
11.74ppb
O3
1.07ppb
SO2
27.67ppb
NO2
0.55ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
26.36μg/m³
PM10
13.84ppb
O3
0.90ppb
SO2
29.86ppb
NO2
0.67ppm
CO
AQI 64
Moderate
16.34μg/m³
PM2.5
31.88μg/m³
PM10
10.76ppb
O3
0.96ppb
SO2
31.89ppb
NO2
0.64ppm
CO
AQI 58
Moderate
12.66μg/m³
PM2.5
27.41μg/m³
PM10
13.04ppb
O3
0.86ppb
SO2
33.54ppb
NO2
0.79ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Upland, California are available every hour.
Upland, California experienced its worst air quality at 11:00:00, 2025-12-07.
The best air quality in Upland, California was observed at 09:00:00 on 2025-12-06.
The air quality in Upland, California right now is Moderate, with an AQI of 64.
In Upland, California, PM2.5 is the most frequently found pollutant.
When air quality in Upland, California is compromised, staying indoors and wearing a mask can reduce health risks.
Upland, California currently has a PM2.5 concentration of 15.985 μg/m3.
Upland, California currently has a PM10 concentration of 32.068 μg/m3.
The current carbon monoxide (CO) level in Upland, California is 0.611 ppm.
The current sulfur dioxide (SO2) concentration in Upland, California is 1.001 ppb.
Upland, California currently has an ozone (O3) concentration of 11.06 ppm.
The current level of nitrogen dioxide (NO2) in Upland, California is 30.507 ppb.
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