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)
34
Good
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.53 μg/m³
0
55
155
255
425
605+
37.29 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
4.61 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Yucaipa, California
Yucaipa, California
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AQI 34
Good
1.98μg/m³
PM2.5
6.18μg/m³
PM10
37.42ppb
O3
0.28ppb
SO2
4.50ppb
NO2
0.26ppm
CO
AQI 36
Good
0.89μg/m³
PM2.5
4.18μg/m³
PM10
39.37ppb
O3
0.28ppb
SO2
3.13ppb
NO2
0.26ppm
CO
AQI 33
Good
2.77μg/m³
PM2.5
8.06μg/m³
PM10
36.29ppb
O3
0.29ppb
SO2
5.33ppb
NO2
0.25ppm
CO
AQI 34
Good
1.88μg/m³
PM2.5
6.39μg/m³
PM10
37.35ppb
O3
0.29ppb
SO2
6.62ppb
NO2
0.25ppm
CO
AQI 35
Good
0.54μg/m³
PM2.5
2.15μg/m³
PM10
38.45ppb
O3
0.28ppb
SO2
2.81ppb
NO2
0.26ppm
CO
AQI 35
Good
2.59μg/m³
PM2.5
7.61μg/m³
PM10
38.31ppb
O3
0.29ppb
SO2
5.45ppb
NO2
0.25ppm
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 01:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 12:00:00 on 2026-10-22.
The current air quality in Yucaipa, California is 34, 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 2.111 μg/m3.
The current PM10 concentration at Yucaipa, California is 6.529 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.256 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.285 ppb.
The current ozone (O3) concentration at Yucaipa, California is 37.288 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 4.606 ppb.
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