Stay updated with real-time air quality in Valley Center, 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)
58
Moderate
Valley Center, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.47 μg/m³
0
55
155
255
425
605+
35.59 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
8.15 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Valley Center, California
Valley Center, California
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AQI 56
Moderate
11.93μg/m³
PM2.5
43.33μg/m³
PM10
21.97ppb
O3
0.43ppb
SO2
9.99ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
28.41μg/m³
PM10
22.48ppb
O3
0.43ppb
SO2
10.02ppb
NO2
0.27ppm
CO
AQI 54
Moderate
11.49μg/m³
PM2.5
23.01μg/m³
PM10
20.97ppb
O3
0.44ppb
SO2
9.74ppb
NO2
0.27ppm
CO
AQI 54
Moderate
11.44μg/m³
PM2.5
28.66μg/m³
PM10
39.40ppb
O3
0.41ppb
SO2
12.51ppb
NO2
0.26ppm
CO
AQI 85
Moderate
14.35μg/m³
PM2.5
123.42μg/m³
PM10
18.25ppb
O3
0.45ppb
SO2
9.79ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.54μg/m³
PM2.5
21.77μg/m³
PM10
21.10ppb
O3
0.42ppb
SO2
10.86ppb
NO2
0.27ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Valley Center, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Valley Center, California was at its worst at 11:00:00 on 2026-08-10.
In the last 24 hours, the best air quality in Valley Center, California was observed at 03:00:00 on 2026-08-10.
As of now, the AQI in Valley Center, California is 56, indicating Moderate conditions.
Valley Center, California air has the highest levels of PM2.5.
Poor air quality in Valley Center, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Valley Center, California are currently 12.243 μg/m3.
The PM10 concentration in Valley Center, California is 53.345 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Valley Center, California is 0.492 ppm.
Currently, Valley Center, California has a sulfur dioxide (SO2) concentration of 0.438 ppb.
The current ozone (O3) level in Valley Center, California at the moment is 29.339 ppm.
Nitrogen dioxide (NO2) level in Valley Center, California at the moment is 13.806 ppb.
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