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)
22
Good
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.43 μg/m³
0
55
155
255
425
605+
4.72 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
9.62 ppb
0
54
101
361
1250
2050+
0.38 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 56
Moderate
11.86μg/m³
PM2.5
22.41μg/m³
PM10
3.80ppb
O3
0.62ppb
SO2
9.86ppb
NO2
0.39ppm
CO
AQI 22
Good
3.85μg/m³
PM2.5
11.69μg/m³
PM10
7.92ppb
O3
0.60ppb
SO2
8.98ppb
NO2
0.39ppm
CO
AQI 66
Moderate
17.26μg/m³
PM2.5
27.32μg/m³
PM10
2.89ppb
O3
0.63ppb
SO2
8.48ppb
NO2
0.39ppm
CO
AQI 44
Good
8.42μg/m³
PM2.5
18.98μg/m³
PM10
6.43ppb
O3
0.64ppb
SO2
8.74ppb
NO2
0.39ppm
CO
AQI 27
Good
4.54μg/m³
PM2.5
18.96μg/m³
PM10
5.60ppb
O3
0.59ppb
SO2
12.78ppb
NO2
0.38ppm
CO
AQI 54
Moderate
11.14μg/m³
PM2.5
22.93μg/m³
PM10
6.15ppb
O3
0.63ppb
SO2
8.59ppb
NO2
0.40ppm
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 10:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 11:00:00 on 2026-09-06.
The current air quality in Yucaipa, California is 22, categorized as Good based on real-time data.
The most common pollutant in Yucaipa, California is PM2.5.
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 4.14 μg/m3.
The current PM10 concentration at Yucaipa, California is 15.431 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.384 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.871 ppb.
The current ozone (O3) concentration at Yucaipa, California is 4.718 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 9.62 ppb.
All Rights Reserved © Ambee Inc. 2025