Stay updated with real-time air quality in South San Jose Hills, 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)
22
Good
South San Jose Hills, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.80 μg/m³
0
55
155
255
425
605+
19.30 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
4.78 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South San Jose Hills, California
South San Jose Hills, California
Scroll To Air Quality MapLoading...
AQI 27
Good
5.02μg/m³
PM2.5
16.80μg/m³
PM10
20.42ppb
O3
0.25ppb
SO2
5.06ppb
NO2
0.15ppm
CO
AQI 27
Good
5.03μg/m³
PM2.5
19.50μg/m³
PM10
20.82ppb
O3
0.24ppb
SO2
5.70ppb
NO2
0.16ppm
CO
AQI 27
Good
5.22μg/m³
PM2.5
19.00μg/m³
PM10
23.57ppb
O3
0.27ppb
SO2
5.35ppb
NO2
0.17ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
21.85μg/m³
PM10
21.93ppb
O3
0.24ppb
SO2
5.98ppb
NO2
0.17ppm
CO
AQI 27
Good
5.03μg/m³
PM2.5
19.51μg/m³
PM10
19.78ppb
O3
0.23ppb
SO2
5.49ppb
NO2
0.15ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
21.50μg/m³
PM10
22.89ppb
O3
0.24ppb
SO2
6.01ppb
NO2
0.18ppm
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 South San Jose Hills, California is updated every hour.
The worst air quality in South San Jose Hills, California in the last 24 hours was observed at 11:00:00 on 2025-07-24.
In the last 24 hrs, the best air quality in South San Jose Hills, California was observed at 08:00:00 on 2025-07-25.
The current air quality in South San Jose Hills, California is 27, categorized as Good based on real-time data.
The most common pollutant in South San Jose Hills, California is PM2.5.
If the air quality in South San Jose Hills, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at South San Jose Hills, California is 5.121 μg/m3.
The current PM10 concentration at South San Jose Hills, California is 18.796 μg/m3.
The current carbon monoxide (CO) concentration at South San Jose Hills, California is 0.143 ppm.
The current sulfur dioxide (SO2) concentration at South San Jose Hills, California is 0.243 ppb.
The current ozone (O3) concentration at South San Jose Hills, California is 21.137 ppm.
The current nitrogen dioxide (NO2) concentration at South San Jose Hills, California is 4.926 ppb.
All Rights Reserved © Ambee Inc. 2025