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)
79
Moderate
Yorba Linda, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.69 μg/m³
0
55
155
255
425
605+
3.36 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
19.03 ppb
0
54
101
361
1250
2050+
1.22 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 81
Moderate
25.12μg/m³
PM2.5
58.15μg/m³
PM10
3.30ppb
O3
0.67ppb
SO2
19.98ppb
NO2
1.26ppm
CO
AQI 81
Moderate
24.93μg/m³
PM2.5
71.85μg/m³
PM10
3.49ppb
O3
0.67ppb
SO2
18.79ppb
NO2
1.24ppm
CO
AQI 81
Moderate
25.10μg/m³
PM2.5
50.50μg/m³
PM10
3.28ppb
O3
0.67ppb
SO2
19.53ppb
NO2
1.26ppm
CO
AQI 81
Moderate
24.55μg/m³
PM2.5
42.66μg/m³
PM10
3.30ppb
O3
0.66ppb
SO2
21.52ppb
NO2
1.28ppm
CO
AQI 79
Moderate
24.24μg/m³
PM2.5
46.83μg/m³
PM10
3.74ppb
O3
0.66ppb
SO2
20.86ppb
NO2
1.26ppm
CO
AQI 79
Moderate
23.75μg/m³
PM2.5
62.14μg/m³
PM10
2.79ppb
O3
0.64ppb
SO2
17.68ppb
NO2
1.08ppm
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 06:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Yorba Linda, California was observed at 09:00:00 on 2026-01-23.
The current air quality in Yorba Linda, California is 79, 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 23.554 μg/m3.
The current PM10 concentration at Yorba Linda, California is 49.688 μg/m3.
The current carbon monoxide (CO) concentration at Yorba Linda, California is 1.218 ppm.
The current sulfur dioxide (SO2) concentration at Yorba Linda, California is 0.667 ppb.
The current ozone (O3) concentration at Yorba Linda, California is 3.361 ppm.
The current nitrogen dioxide (NO2) concentration at Yorba Linda, California is 19.033 ppb.
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