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)
28
Good
Valley Center, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.24 μg/m³
0
55
155
255
425
605+
30.39 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
8.70 ppb
0
54
101
361
1250
2050+
0.23 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 33
Good
6.24μg/m³
PM2.5
20.40μg/m³
PM10
15.69ppb
O3
0.17ppb
SO2
15.86ppb
NO2
0.22ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
16.93μg/m³
PM10
18.24ppb
O3
0.17ppb
SO2
12.20ppb
NO2
0.22ppm
CO
AQI 27
Good
5.13μg/m³
PM2.5
17.13μg/m³
PM10
17.47ppb
O3
0.17ppb
SO2
15.33ppb
NO2
0.22ppm
CO
AQI 27
Good
5.05μg/m³
PM2.5
15.00μg/m³
PM10
20.73ppb
O3
0.17ppb
SO2
5.28ppb
NO2
0.22ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
16.65μg/m³
PM10
21.26ppb
O3
0.17ppb
SO2
15.73ppb
NO2
0.23ppm
CO
AQI 27
Good
5.21μg/m³
PM2.5
11.82μg/m³
PM10
20.05ppb
O3
0.17ppb
SO2
13.89ppb
NO2
0.22ppm
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 12:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in Valley Center, California was observed at 03:00:00 on 2025-07-24.
As of now, the AQI in Valley Center, California is 33, indicating Good 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 5.571 μg/m3.
The PM10 concentration in Valley Center, California is 11.496 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Valley Center, California is 0.234 ppm.
Currently, Valley Center, California has a sulfur dioxide (SO2) concentration of 0.263 ppb.
The current ozone (O3) level in Valley Center, California at the moment is 28.88 ppm.
Nitrogen dioxide (NO2) level in Valley Center, California at the moment is 7.439 ppb.
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