Stay updated with real-time air quality in Granite Bay, 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
Granite Bay, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.25 μg/m³
0
55
155
255
425
605+
36.43 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
2.80 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Granite Bay, California
Granite Bay, California
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AQI 58
Moderate
12.52μg/m³
PM2.5
32.22μg/m³
PM10
36.28ppb
O3
0.28ppb
SO2
4.07ppb
NO2
0.22ppm
CO
AQI 38
Good
7.43μg/m³
PM2.5
32.11μg/m³
PM10
35.96ppb
O3
0.28ppb
SO2
2.07ppb
NO2
0.23ppm
CO
AQI 58
Moderate
13.35μg/m³
PM2.5
29.48μg/m³
PM10
37.23ppb
O3
0.28ppb
SO2
4.37ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.86μg/m³
PM2.5
32.20μg/m³
PM10
35.52ppb
O3
0.28ppb
SO2
3.14ppb
NO2
0.22ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
36.48μg/m³
PM10
36.46ppb
O3
0.28ppb
SO2
2.73ppb
NO2
0.22ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
33.15μg/m³
PM10
34.75ppb
O3
0.28ppb
SO2
4.01ppb
NO2
0.22ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Granite Bay, California is updated on an hourly basis.
The worst air quality in Granite Bay, California was recorded at 04:00:00 on 2026-05-02.
The best air quality in Granite Bay, California was recorded at 09:00:00 on 2026-05-01.
The real-time air quality index in Granite Bay, California is 49, currently categorized as Good.
The most common pollutant in Granite Bay, California is PM2.5.
If the air quality in Granite Bay, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Granite Bay, California at present are 9.496 μg/m3.
The current PM10 levels in Granite Bay, California are 35.252 μg/m3.
The current carbon monoxide (CO) level in Granite Bay, California is 0.224 ppm.
The current sulfur dioxide (SO2) levels in Granite Bay, California are 0.276 ppb.
The current ozone (O3) levels at Granite Bay, California is 36.429 ppm.
The current nitrogen dioxide (NO2) levels at Granite Bay, California is 2.799 ppb.
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