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)
39
Good
Shasta Lake, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.72 μg/m³
0
55
155
255
425
605+
42.02 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
3.27 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Shasta Lake, California
Shasta Lake, California
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AQI 39
Good
5.11μg/m³
PM2.5
24.39μg/m³
PM10
42.27ppb
O3
0.91ppb
SO2
2.67ppb
NO2
0.26ppm
CO
AQI 39
Good
4.80μg/m³
PM2.5
20.47μg/m³
PM10
42.34ppb
O3
0.89ppb
SO2
2.64ppb
NO2
0.26ppm
CO
AQI 40
Good
2.94μg/m³
PM2.5
6.25μg/m³
PM10
43.00ppb
O3
1.00ppb
SO2
2.58ppb
NO2
0.26ppm
CO
AQI 43
Good
2.12μg/m³
PM2.5
10.14μg/m³
PM10
45.90ppb
O3
1.00ppb
SO2
1.63ppb
NO2
0.25ppm
CO
AQI 32
Good
5.11μg/m³
PM2.5
22.62μg/m³
PM10
34.81ppb
O3
0.99ppb
SO2
1.43ppb
NO2
0.26ppm
CO
AQI 41
Good
3.54μg/m³
PM2.5
23.13μg/m³
PM10
44.06ppb
O3
0.63ppb
SO2
2.70ppb
NO2
0.26ppm
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 05:00:00 on 2026-08-23.
In the last 24 hrs, the best air quality in Shasta Lake, California was observed at 12:00:00 on 2026-08-23.
The current air quality in Shasta Lake, California is 39, categorized as Good based on real-time data.
The most common pollutant in Shasta Lake, California is O3.
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 2.796 μg/m3.
The current PM10 concentration at Shasta Lake, California is 11.717 μg/m3.
The current carbon monoxide (CO) concentration at Shasta Lake, California is 0.288 ppm.
The current sulfur dioxide (SO2) concentration at Shasta Lake, California is 0.711 ppb.
The current ozone (O3) concentration at Shasta Lake, California is 42.019 ppm.
The current nitrogen dioxide (NO2) concentration at Shasta Lake, California is 3.266 ppb.
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