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)
52
Moderate
Yorba Linda, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.40 μg/m³
0
55
155
255
425
605+
38.62 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
6.83 ppb
0
54
101
361
1250
2050+
0.26 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 52
Moderate
10.09μg/m³
PM2.5
42.33μg/m³
PM10
38.65ppb
O3
0.44ppb
SO2
6.18ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.93μg/m³
PM2.5
43.49μg/m³
PM10
38.76ppb
O3
0.44ppb
SO2
5.02ppb
NO2
0.24ppm
CO
AQI 52
Moderate
9.94μg/m³
PM2.5
45.70μg/m³
PM10
39.02ppb
O3
0.43ppb
SO2
5.75ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.02μg/m³
PM2.5
36.59μg/m³
PM10
38.43ppb
O3
0.43ppb
SO2
7.72ppb
NO2
0.28ppm
CO
AQI 52
Moderate
10.00μg/m³
PM2.5
38.40μg/m³
PM10
38.74ppb
O3
0.43ppb
SO2
6.74ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.57μg/m³
PM2.5
35.76μg/m³
PM10
37.08ppb
O3
0.41ppb
SO2
8.31ppb
NO2
0.22ppm
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 09:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Yorba Linda, California was observed at 09:00:00 on 2026-06-07.
The current air quality in Yorba Linda, California is 52, categorized as Moderate 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 9.916 μg/m3.
The current PM10 concentration at Yorba Linda, California is 39.398 μg/m3.
The current carbon monoxide (CO) concentration at Yorba Linda, California is 0.256 ppm.
The current sulfur dioxide (SO2) concentration at Yorba Linda, California is 0.426 ppb.
The current ozone (O3) concentration at Yorba Linda, California is 38.622 ppm.
The current nitrogen dioxide (NO2) concentration at Yorba Linda, California is 6.832 ppb.
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