Stay updated with real-time air quality in Chino Hills, 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)
52
Moderate
Chino Hills, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.91 μg/m³
0
55
155
255
425
605+
19.07 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
21.67 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Chino Hills, California
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AQI 54
Moderate
10.55μg/m³
PM2.5
24.65μg/m³
PM10
11.87ppb
O3
1.01ppb
SO2
25.92ppb
NO2
0.58ppm
CO
AQI 56
Moderate
11.57μg/m³
PM2.5
29.50μg/m³
PM10
8.93ppb
O3
0.78ppb
SO2
19.10ppb
NO2
0.57ppm
CO
AQI 44
Good
8.22μg/m³
PM2.5
22.68μg/m³
PM10
16.75ppb
O3
0.95ppb
SO2
18.27ppb
NO2
0.58ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
24.36μg/m³
PM10
13.26ppb
O3
1.02ppb
SO2
23.63ppb
NO2
0.58ppm
CO
AQI 54
Moderate
10.81μg/m³
PM2.5
24.67μg/m³
PM10
11.33ppb
O3
1.01ppb
SO2
27.12ppb
NO2
0.58ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
25.51μg/m³
PM10
11.66ppb
O3
0.93ppb
SO2
16.95ppb
NO2
0.58ppm
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 Chino Hills, California are available every hour.
Chino Hills, California experienced its worst air quality at 04:00:00, 2026-02-12.
The best air quality in Chino Hills, California was observed at 06:00:00 on 2026-02-11.
The air quality in Chino Hills, California right now is Moderate, with an AQI of 52.
In Chino Hills, California, PM2.5 is the most frequently found pollutant.
When air quality in Chino Hills, California is compromised, staying indoors and wearing a mask can reduce health risks.
Chino Hills, California currently has a PM2.5 concentration of 10.24 μg/m3.
Chino Hills, California currently has a PM10 concentration of 36.912 μg/m3.
The current carbon monoxide (CO) level in Chino Hills, California is 0.413 ppm.
The current sulfur dioxide (SO2) concentration in Chino Hills, California is 0.706 ppb.
Chino Hills, California currently has an ozone (O3) concentration of 19.067 ppm.
The current level of nitrogen dioxide (NO2) in Chino Hills, California is 21.67 ppb.
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