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)
38
Good
Chino Hills, 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+
25.06 μg/m³
0
55
155
255
425
605+
4.98 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
11.14 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chino Hills, California
Chino Hills, California
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AQI 54
Moderate
10.66μg/m³
PM2.5
17.77μg/m³
PM10
5.76ppb
O3
0.92ppb
SO2
14.73ppb
NO2
0.40ppm
CO
AQI 44
Good
7.55μg/m³
PM2.5
27.92μg/m³
PM10
4.76ppb
O3
0.83ppb
SO2
9.71ppb
NO2
0.40ppm
CO
AQI 44
Good
8.46μg/m³
PM2.5
18.96μg/m³
PM10
5.59ppb
O3
0.88ppb
SO2
9.98ppb
NO2
0.40ppm
CO
AQI 52
Moderate
10.00μg/m³
PM2.5
17.67μg/m³
PM10
5.85ppb
O3
0.92ppb
SO2
13.16ppb
NO2
0.40ppm
CO
AQI 54
Moderate
10.87μg/m³
PM2.5
17.75μg/m³
PM10
5.71ppb
O3
0.92ppb
SO2
15.46ppb
NO2
0.40ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
14.86μg/m³
PM10
3.74ppb
O3
0.88ppb
SO2
11.07ppb
NO2
0.39ppm
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 11:00:00, 2026-09-06.
The best air quality in Chino Hills, California was observed at 04:00:00 on 2026-09-06.
The air quality in Chino Hills, California right now is Good, with an AQI of 38.
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 7.095 μg/m3.
Chino Hills, California currently has a PM10 concentration of 25.062 μg/m3.
The current carbon monoxide (CO) level in Chino Hills, California is 0.405 ppm.
The current sulfur dioxide (SO2) concentration in Chino Hills, California is 0.856 ppb.
Chino Hills, California currently has an ozone (O3) concentration of 4.977 ppm.
The current level of nitrogen dioxide (NO2) in Chino Hills, California is 11.142 ppb.
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