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)
17
Good
Yucaipa, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.30 μg/m³
0
55
155
255
425
605+
18.22 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
9.69 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Yucaipa, California
Yucaipa, California
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AQI 22
Good
3.61μg/m³
PM2.5
11.68μg/m³
PM10
21.31ppb
O3
0.44ppb
SO2
11.05ppb
NO2
0.19ppm
CO
AQI 19
Good
2.74μg/m³
PM2.5
13.32μg/m³
PM10
21.08ppb
O3
0.44ppb
SO2
6.08ppb
NO2
0.17ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
10.00μg/m³
PM10
20.47ppb
O3
0.44ppb
SO2
12.43ppb
NO2
0.20ppm
CO
AQI 22
Good
4.47μg/m³
PM2.5
15.99μg/m³
PM10
19.15ppb
O3
0.44ppb
SO2
14.16ppb
NO2
0.20ppm
CO
AQI 22
Good
4.33μg/m³
PM2.5
18.33μg/m³
PM10
20.94ppb
O3
0.44ppb
SO2
8.82ppb
NO2
0.17ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
27.21μg/m³
PM10
16.47ppb
O3
0.44ppb
SO2
11.78ppb
NO2
0.17ppm
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 03:00:00 on 2025-11-14.
In the last 24 hrs, the best air quality in Yucaipa, California was observed at 02:00:00 on 2025-11-14.
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 3.584 μg/m3.
The current PM10 concentration at Yucaipa, California is 11.196 μg/m3.
The current carbon monoxide (CO) concentration at Yucaipa, California is 0.191 ppm.
The current sulfur dioxide (SO2) concentration at Yucaipa, California is 0.441 ppb.
The current ozone (O3) concentration at Yucaipa, California is 21.321 ppm.
The current nitrogen dioxide (NO2) concentration at Yucaipa, California is 11.182 ppb.
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