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)
61
Moderate
Upland, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
74.57 μg/m³
0
55
155
255
425
605+
8.22 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
30.95 ppb
0
54
101
361
1250
2050+
0.51 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Upland, California
Upland, California
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AQI 38
Good
6.96μg/m³
PM2.5
25.02μg/m³
PM10
8.89ppb
O3
0.25ppb
SO2
31.57ppb
NO2
0.33ppm
CO
AQI 38
Good
6.67μg/m³
PM2.5
22.67μg/m³
PM10
6.75ppb
O3
0.25ppb
SO2
26.23ppb
NO2
0.36ppm
CO
AQI 38
Good
7.39μg/m³
PM2.5
24.17μg/m³
PM10
8.95ppb
O3
0.22ppb
SO2
29.75ppb
NO2
0.34ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
22.18μg/m³
PM10
6.98ppb
O3
0.25ppb
SO2
24.54ppb
NO2
0.36ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
25.16μg/m³
PM10
7.92ppb
O3
0.25ppb
SO2
29.62ppb
NO2
0.34ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
23.13μg/m³
PM10
4.20ppb
O3
0.25ppb
SO2
24.82ppb
NO2
0.40ppm
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 12:00:00, 2025-09-08.
The best air quality in Upland, California was observed at 06:00:00 on 2025-09-08.
The air quality in Upland, California right now is Good, with an AQI of 38.
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 7.185 μg/m3.
Upland, California currently has a PM10 concentration of 24.923 μg/m3.
The current carbon monoxide (CO) level in Upland, California is 0.336 ppm.
The current sulfur dioxide (SO2) concentration in Upland, California is 0.237 ppb.
Upland, California currently has an ozone (O3) concentration of 8.317 ppm.
The current level of nitrogen dioxide (NO2) in Upland, California is 29.715 ppb.
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