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)
45
Good
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.27 μg/m³
0
55
155
255
425
605+
49.38 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
11.78 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Yucaipa, California
Yucaipa, California
Scroll To Air Quality MapLoading...
AQI 50
Good
7.61μg/m³
PM2.5
33.70μg/m³
PM10
53.78ppb
O3
0.69ppb
SO2
9.26ppb
NO2
0.31ppm
CO
AQI 67
Moderate
8.32μg/m³
PM2.5
34.08μg/m³
PM10
59.70ppb
O3
0.68ppb
SO2
3.25ppb
NO2
0.32ppm
CO
AQI 47
Good
8.30μg/m³
PM2.5
36.23μg/m³
PM10
50.60ppb
O3
0.70ppb
SO2
11.67ppb
NO2
0.30ppm
CO
AQI 46
Good
7.18μg/m³
PM2.5
31.39μg/m³
PM10
49.73ppb
O3
0.70ppb
SO2
11.86ppb
NO2
0.29ppm
CO
AQI 74
Moderate
7.64μg/m³
PM2.5
33.91μg/m³
PM10
62.42ppb
O3
0.67ppb
SO2
4.70ppb
NO2
0.32ppm
CO
AQI 44
Good
8.24μg/m³
PM2.5
38.72μg/m³
PM10
42.02ppb
O3
0.69ppb
SO2
10.92ppb
NO2
0.29ppm
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 2026-08-17.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 06:00:00 on 2026-08-16.
The current air quality in Yucaipa, California is 45, 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 7.59 μg/m3.
The current PM10 concentration at Yucaipa, California is 30.275 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.325 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.508 ppb.
The current ozone (O3) concentration at Yucaipa, California is 49.379 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 11.784 ppb.
All Rights Reserved © Ambee Inc. 2025