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)
42
Good
Yorba Linda, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.60 μg/m³
0
55
155
255
425
605+
45.14 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
3.62 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Yorba Linda, California
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AQI 42
Good
2.97μg/m³
PM2.5
23.27μg/m³
PM10
45.28ppb
O3
0.35ppb
SO2
3.85ppb
NO2
0.19ppm
CO
AQI 42
Good
2.96μg/m³
PM2.5
21.12μg/m³
PM10
45.20ppb
O3
0.35ppb
SO2
3.78ppb
NO2
0.19ppm
CO
AQI 42
Good
2.90μg/m³
PM2.5
25.36μg/m³
PM10
45.19ppb
O3
0.35ppb
SO2
3.48ppb
NO2
0.19ppm
CO
AQI 42
Good
2.85μg/m³
PM2.5
23.93μg/m³
PM10
45.35ppb
O3
0.34ppb
SO2
4.02ppb
NO2
0.20ppm
CO
AQI 43
Good
2.92μg/m³
PM2.5
23.10μg/m³
PM10
45.80ppb
O3
0.35ppb
SO2
3.80ppb
NO2
0.20ppm
CO
AQI 43
Good
2.62μg/m³
PM2.5
14.99μg/m³
PM10
46.26ppb
O3
0.44ppb
SO2
3.28ppb
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 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 2026-03-06.
In the last 24 hrs, the best air quality in Yorba Linda, California was observed at 03:00:00 on 2026-03-06.
The current air quality in Yorba Linda, California is 42, categorized as Good based on real-time data.
The most common pollutant in Yorba Linda, California is O3.
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 2.766 μg/m3.
The current PM10 concentration at Yorba Linda, California is 22.601 μg/m3.
The current carbon monoxide (CO) concentration at Yorba Linda, California is 0.19 ppm.
The current sulfur dioxide (SO2) concentration at Yorba Linda, California is 0.369 ppb.
The current ozone (O3) concentration at Yorba Linda, California is 45.137 ppm.
The current nitrogen dioxide (NO2) concentration at Yorba Linda, California is 3.624 ppb.
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