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)
31
Good
Shasta Lake, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.62 μg/m³
0
55
155
255
425
605+
34.36 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
3.70 ppb
0
54
101
361
1250
2050+
0.23 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 27
Good
5.28μg/m³
PM2.5
17.98μg/m³
PM10
28.74ppb
O3
0.36ppb
SO2
4.59ppb
NO2
0.25ppm
CO
AQI 28
Good
5.20μg/m³
PM2.5
18.08μg/m³
PM10
30.33ppb
O3
0.36ppb
SO2
4.43ppb
NO2
0.25ppm
CO
AQI 27
Good
4.90μg/m³
PM2.5
21.93μg/m³
PM10
23.43ppb
O3
0.36ppb
SO2
4.37ppb
NO2
0.25ppm
CO
AQI 34
Good
4.12μg/m³
PM2.5
18.96μg/m³
PM10
37.02ppb
O3
0.36ppb
SO2
3.42ppb
NO2
0.18ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
26.46μg/m³
PM10
29.64ppb
O3
0.36ppb
SO2
5.29ppb
NO2
0.26ppm
CO
AQI 39
Good
4.26μg/m³
PM2.5
18.48μg/m³
PM10
41.97ppb
O3
0.36ppb
SO2
3.73ppb
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 Shasta Lake, California is updated every hour.
The worst air quality in Shasta Lake, California in the last 24 hours was observed at 08:00:00 on 2026-08-16.
In the last 24 hrs, the best air quality in Shasta Lake, California was observed at 12:00:00 on 2026-08-16.
The current air quality in Shasta Lake, California is 31, 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 2.723 μg/m3.
The current PM10 concentration at Shasta Lake, California is 9.623 μg/m3.
The current carbon monoxide (CO) concentration at Shasta Lake, California is 0.233 ppm.
The current sulfur dioxide (SO2) concentration at Shasta Lake, California is 0.399 ppb.
The current ozone (O3) concentration at Shasta Lake, California is 34.361 ppm.
The current nitrogen dioxide (NO2) concentration at Shasta Lake, California is 3.703 ppb.
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