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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.00 μg/m³
0
55
155
255
425
605+
17.75 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
4.75 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Shasta Lake, California
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AQI 20
Good
3.02μg/m³
PM2.5
12.80μg/m³
PM10
22.19ppb
O3
0.51ppb
SO2
4.23ppb
NO2
0.28ppm
CO
AQI 20
Good
3.45μg/m³
PM2.5
13.66μg/m³
PM10
21.97ppb
O3
0.51ppb
SO2
4.09ppb
NO2
0.28ppm
CO
AQI 44
Good
8.27μg/m³
PM2.5
22.94μg/m³
PM10
22.01ppb
O3
0.51ppb
SO2
3.37ppb
NO2
0.28ppm
CO
AQI 28
Good
3.14μg/m³
PM2.5
13.20μg/m³
PM10
29.88ppb
O3
0.52ppb
SO2
4.29ppb
NO2
0.31ppm
CO
AQI 25
Good
0.79μg/m³
PM2.5
3.45μg/m³
PM10
26.91ppb
O3
0.50ppb
SO2
2.68ppb
NO2
0.35ppm
CO
AQI 55
Moderate
2.22μg/m³
PM2.5
63.49μg/m³
PM10
28.23ppb
O3
0.53ppb
SO2
4.32ppb
NO2
0.31ppm
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 Shasta Lake, California is updated every hour.
The worst air quality in Shasta Lake, California in the last 24 hours was observed at 03:00:00 on 2026-03-04.
In the last 24 hrs, the best air quality in Shasta Lake, California was observed at 07:00:00 on 2026-03-03.
The current air quality in Shasta Lake, California is 22, categorized as Good based on real-time data.
The most common pollutant in Shasta Lake, California is PM2.5.
If the air quality in Shasta Lake, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Shasta Lake, California is 3.8 μg/m3.
The current PM10 concentration at Shasta Lake, California is 17 μg/m3.
The current carbon monoxide (CO) concentration at Shasta Lake, California is 0.28 ppm.
The current sulfur dioxide (SO2) concentration at Shasta Lake, California is 0.533 ppb.
The current ozone (O3) concentration at Shasta Lake, California is 17.755 ppm.
The current nitrogen dioxide (NO2) concentration at Shasta Lake, California is 4.748 ppb.
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