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)
77
Moderate
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.21 μg/m³
0
55
155
255
425
605+
62.84 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
4.62 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Yucaipa, California
Yucaipa, California
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AQI 77
Moderate
6.89μg/m³
PM2.5
30.53μg/m³
PM10
62.70ppb
O3
0.67ppb
SO2
4.48ppb
NO2
0.28ppm
CO
AQI 64
Moderate
5.98μg/m³
PM2.5
30.85μg/m³
PM10
58.81ppb
O3
0.62ppb
SO2
2.06ppb
NO2
0.28ppm
CO
AQI 80
Moderate
8.46μg/m³
PM2.5
35.27μg/m³
PM10
63.98ppb
O3
0.71ppb
SO2
5.59ppb
NO2
0.27ppm
CO
AQI 80
Moderate
8.07μg/m³
PM2.5
35.50μg/m³
PM10
64.08ppb
O3
0.70ppb
SO2
6.15ppb
NO2
0.27ppm
CO
AQI 71
Moderate
4.55μg/m³
PM2.5
22.25μg/m³
PM10
60.93ppb
O3
0.60ppb
SO2
2.40ppb
NO2
0.28ppm
CO
AQI 61
Moderate
8.47μg/m³
PM2.5
31.06μg/m³
PM10
58.00ppb
O3
0.71ppb
SO2
4.96ppb
NO2
0.27ppm
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 02:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 01:00:00 on 2026-04-23.
The current air quality in Yucaipa, California is 77, categorized as Moderate 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 7.119 μg/m3.
The current PM10 concentration at Yucaipa, California is 31.207 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.276 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.672 ppb.
The current ozone (O3) concentration at Yucaipa, California is 62.845 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 4.619 ppb.
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