Stay updated with real-time air quality in Yorba Linda, 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)
38
Good
Yorba Linda, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.24 μg/m³
0
55
155
255
425
605+
3.10 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
11.90 ppb
0
54
101
361
1250
2050+
0.60 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Yorba Linda, California
Yorba Linda, California
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AQI 33
Good
6.50μg/m³
PM2.5
21.12μg/m³
PM10
2.71ppb
O3
0.64ppb
SO2
11.84ppb
NO2
0.62ppm
CO
AQI 33
Good
6.29μg/m³
PM2.5
22.82μg/m³
PM10
2.76ppb
O3
0.64ppb
SO2
10.44ppb
NO2
0.57ppm
CO
AQI 33
Good
5.99μg/m³
PM2.5
19.83μg/m³
PM10
2.30ppb
O3
0.65ppb
SO2
12.14ppb
NO2
0.62ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
20.93μg/m³
PM10
2.96ppb
O3
0.65ppb
SO2
13.53ppb
NO2
0.67ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
20.68μg/m³
PM10
2.67ppb
O3
0.65ppb
SO2
12.57ppb
NO2
0.64ppm
CO
AQI 39
Good
7.35μg/m³
PM2.5
42.09μg/m³
PM10
4.09ppb
O3
0.76ppb
SO2
14.75ppb
NO2
0.50ppm
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 Yorba Linda, California is updated every hour.
The worst air quality in Yorba Linda, California in the last 24 hours was observed at 12:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Yorba Linda, California was observed at 02:00:00 on 2026-09-07.
The current air quality in Yorba Linda, California is 38, categorized as Good based on real-time data.
The most common pollutant in Yorba Linda, California is PM2.5.
If the air quality in Yorba Linda, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Yorba Linda, California is 7.193 μg/m3.
The current PM10 concentration at Yorba Linda, California is 21.239 μg/m3.
The current carbon monoxide (CO) concentration at Yorba Linda, California is 0.6 ppm.
The current sulfur dioxide (SO2) concentration at Yorba Linda, California is 0.674 ppb.
The current ozone (O3) concentration at Yorba Linda, California is 3.105 ppm.
The current nitrogen dioxide (NO2) concentration at Yorba Linda, California is 11.898 ppb.
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