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)
49
Good
South San Jose Hills, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.52 μg/m³
0
55
155
255
425
605+
37.23 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.70 ppb
0
54
101
361
1250
2050+
0.21 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
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AQI 49
Good
8.79μg/m³
PM2.5
37.70μg/m³
PM10
35.58ppb
O3
0.41ppb
SO2
5.57ppb
NO2
0.21ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
41.05μg/m³
PM10
35.07ppb
O3
0.43ppb
SO2
4.48ppb
NO2
0.19ppm
CO
AQI 49
Good
8.83μg/m³
PM2.5
35.45μg/m³
PM10
34.16ppb
O3
0.42ppb
SO2
4.14ppb
NO2
0.19ppm
CO
AQI 49
Good
9.45μg/m³
PM2.5
38.63μg/m³
PM10
34.44ppb
O3
0.45ppb
SO2
4.12ppb
NO2
0.17ppm
CO
AQI 49
Good
9.43μg/m³
PM2.5
42.81μg/m³
PM10
35.80ppb
O3
0.43ppb
SO2
5.24ppb
NO2
0.20ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
35.86μg/m³
PM10
33.89ppb
O3
0.45ppb
SO2
3.91ppb
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 01:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in South San Jose Hills, California was observed at 07:00:00 on 2026-06-08.
The current air quality in South San Jose Hills, California is 49, 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 8.984 μg/m3.
The current PM10 concentration at South San Jose Hills, California is 39.227 μg/m3.
The current carbon monoxide (CO) concentration at South San Jose Hills, California is 0.196 ppm.
The current sulfur dioxide (SO2) concentration at South San Jose Hills, California is 0.423 ppb.
The current ozone (O3) concentration at South San Jose Hills, California is 35.134 ppm.
The current nitrogen dioxide (NO2) concentration at South San Jose Hills, California is 4.53 ppb.
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