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)
38
Good
Upland, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.42 μg/m³
0
55
155
255
425
605+
39.88 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
17.16 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Upland, California
Upland, California
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AQI 27
Good
5.33μg/m³
PM2.5
22.66μg/m³
PM10
13.14ppb
O3
0.34ppb
SO2
24.01ppb
NO2
0.23ppm
CO
AQI 38
Good
6.74μg/m³
PM2.5
20.25μg/m³
PM10
16.72ppb
O3
0.34ppb
SO2
20.50ppb
NO2
0.27ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
23.28μg/m³
PM10
16.50ppb
O3
0.35ppb
SO2
23.59ppb
NO2
0.23ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
19.58μg/m³
PM10
17.82ppb
O3
0.34ppb
SO2
19.20ppb
NO2
0.27ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
22.00μg/m³
PM10
14.39ppb
O3
0.34ppb
SO2
22.67ppb
NO2
0.24ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
18.59μg/m³
PM10
18.93ppb
O3
0.34ppb
SO2
18.52ppb
NO2
0.30ppm
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, 2025-07-23.
The best air quality in Upland, California was observed at 11:00:00 on 2025-07-23.
The air quality in Upland, California right now is Good, with an AQI of 33.
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 5.651 μg/m3.
Upland, California currently has a PM10 concentration of 22.389 μg/m3.
The current carbon monoxide (CO) level in Upland, California is 0.244 ppm.
The current sulfur dioxide (SO2) concentration in Upland, California is 0.347 ppb.
Upland, California currently has an ozone (O3) concentration of 14.657 ppm.
The current level of nitrogen dioxide (NO2) in Upland, California is 23.554 ppb.
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