Stay updated with real-time air quality in Yucaipa, 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)
24
Good
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.58 μg/m³
0
55
155
255
425
605+
25.74 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
12.21 ppb
0
54
101
361
1250
2050+
0.51 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Yucaipa, California
Yucaipa, California
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AQI 24
Good
3.94μg/m³
PM2.5
14.70μg/m³
PM10
26.02ppb
O3
0.86ppb
SO2
11.75ppb
NO2
0.51ppm
CO
AQI 31
Good
3.37μg/m³
PM2.5
10.67μg/m³
PM10
33.71ppb
O3
0.83ppb
SO2
7.69ppb
NO2
0.46ppm
CO
AQI 27
Good
4.68μg/m³
PM2.5
13.54μg/m³
PM10
23.39ppb
O3
0.88ppb
SO2
15.37ppb
NO2
0.55ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
17.26μg/m³
PM10
21.56ppb
O3
0.89ppb
SO2
16.12ppb
NO2
0.56ppm
CO
AQI 27
Good
3.84μg/m³
PM2.5
17.05μg/m³
PM10
29.13ppb
O3
0.82ppb
SO2
6.22ppb
NO2
0.42ppm
CO
AQI 22
Good
3.52μg/m³
PM2.5
14.40μg/m³
PM10
13.89ppb
O3
0.88ppb
SO2
15.29ppb
NO2
0.55ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Yucaipa, California is updated every hour.
The worst air quality in Yucaipa, California in the last 24 hours was observed at 05:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 02:00:00 on 2025-12-07.
The current air quality in Yucaipa, California is 24, categorized as Good based on real-time data.
The most common pollutant in Yucaipa, California is O3.
If the air quality in Yucaipa, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Yucaipa, California is 3.966 μg/m3.
The current PM10 concentration at Yucaipa, California is 14.583 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.514 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.868 ppb.
The current ozone (O3) concentration at Yucaipa, California is 25.743 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 12.214 ppb.
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