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)
8
Good
Valley Center, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.19 μg/m³
0
55
155
255
425
605+
9.31 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
8.96 ppb
0
54
101
361
1250
2050+
0.46 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 16
Good
2.69μg/m³
PM2.5
16.34μg/m³
PM10
4.44ppb
O3
0.76ppb
SO2
9.43ppb
NO2
0.38ppm
CO
AQI 22
Good
3.62μg/m³
PM2.5
16.51μg/m³
PM10
4.56ppb
O3
0.76ppb
SO2
11.31ppb
NO2
0.38ppm
CO
AQI 22
Good
3.97μg/m³
PM2.5
16.06μg/m³
PM10
5.38ppb
O3
0.78ppb
SO2
11.17ppb
NO2
0.38ppm
CO
AQI 16
Good
3.42μg/m³
PM2.5
16.60μg/m³
PM10
10.84ppb
O3
0.72ppb
SO2
9.13ppb
NO2
0.38ppm
CO
AQI 22
Good
3.67μg/m³
PM2.5
13.19μg/m³
PM10
3.44ppb
O3
0.80ppb
SO2
11.24ppb
NO2
0.39ppm
CO
AQI 22
Good
3.70μg/m³
PM2.5
10.13μg/m³
PM10
6.85ppb
O3
0.74ppb
SO2
11.65ppb
NO2
0.38ppm
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 2026-09-07.
In the last 24 hours, the best air quality in Valley Center, California was observed at 09:00:00 on 2026-09-07.
As of now, the AQI in Valley Center, California is 8, indicating Good conditions.
Valley Center, California air has the highest levels of NO2.
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 0.997 μg/m3.
The PM10 concentration in Valley Center, California is 5.188 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Valley Center, California is 0.456 ppm.
Currently, Valley Center, California has a sulfur dioxide (SO2) concentration of 0.67 ppb.
The current ozone (O3) level in Valley Center, California at the moment is 9.308 ppm.
Nitrogen dioxide (NO2) level in Valley Center, California at the moment is 8.96 ppb.
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