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)
108
Unhealthy for sensitive groups
Chino Hills, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.44 μg/m³
0
55
155
255
425
605+
73.42 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
11.96 ppb
0
54
101
361
1250
2050+
0.29 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 136
Unhealthy for sensitive groups
13.79μg/m³
PM2.5
67.56μg/m³
PM10
80.80ppb
O3
0.92ppb
SO2
18.13ppb
NO2
0.28ppm
CO
AQI 115
Unhealthy for sensitive groups
14.33μg/m³
PM2.5
62.83μg/m³
PM10
74.52ppb
O3
1.01ppb
SO2
8.19ppb
NO2
0.29ppm
CO
AQI 143
Unhealthy for sensitive groups
15.22μg/m³
PM2.5
66.77μg/m³
PM10
82.61ppb
O3
0.95ppb
SO2
13.88ppb
NO2
0.28ppm
CO
AQI 140
Unhealthy for sensitive groups
14.41μg/m³
PM2.5
67.07μg/m³
PM10
82.34ppb
O3
0.92ppb
SO2
16.67ppb
NO2
0.28ppm
CO
AQI 133
Unhealthy for sensitive groups
13.46μg/m³
PM2.5
67.86μg/m³
PM10
80.32ppb
O3
0.92ppb
SO2
19.26ppb
NO2
0.28ppm
CO
AQI 159
Unhealthy
14.91μg/m³
PM2.5
63.53μg/m³
PM10
88.74ppb
O3
0.94ppb
SO2
15.78ppb
NO2
0.28ppm
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, 2026-07-23.
The best air quality in Chino Hills, California was observed at 10:00:00 on 2026-07-23.
The air quality in Chino Hills, California right now is Unhealthy for Sensitive Groups, with an AQI of 108.
In Chino Hills, California, O3 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 13.619 μg/m3.
Chino Hills, California currently has a PM10 concentration of 55.444 μg/m3.
The current carbon monoxide (CO) level in Chino Hills, California is 0.293 ppm.
The current sulfur dioxide (SO2) concentration in Chino Hills, California is 0.977 ppb.
Chino Hills, California currently has an ozone (O3) concentration of 73.42 ppm.
The current level of nitrogen dioxide (NO2) in Chino Hills, California is 11.957 ppb.
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