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)
33
Good
Shasta Lake, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.42 μg/m³
0
55
155
255
425
605+
34.94 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
1.67 ppb
0
54
101
361
1250
2050+
0.21 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 44
Good
7.89μg/m³
PM2.5
34.73μg/m³
PM10
32.30ppb
O3
0.72ppb
SO2
1.79ppb
NO2
0.21ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
33.74μg/m³
PM10
32.51ppb
O3
0.72ppb
SO2
1.78ppb
NO2
0.21ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
22.21μg/m³
PM10
33.97ppb
O3
0.72ppb
SO2
1.78ppb
NO2
0.21ppm
CO
AQI 31
Good
3.52μg/m³
PM2.5
20.35μg/m³
PM10
32.90ppb
O3
0.72ppb
SO2
1.61ppb
NO2
0.19ppm
CO
AQI 25
Good
1.65μg/m³
PM2.5
7.15μg/m³
PM10
26.74ppb
O3
0.72ppb
SO2
1.33ppb
NO2
0.23ppm
CO
AQI 40
Good
7.02μg/m³
PM2.5
42.50μg/m³
PM10
31.91ppb
O3
0.73ppb
SO2
1.86ppb
NO2
0.19ppm
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 12:00:00 on 2026-06-26.
In the last 24 hrs, the best air quality in Shasta Lake, California was observed at 12:00:00 on 2026-06-26.
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 5.216 μg/m3.
The current PM10 concentration at Shasta Lake, California is 19.81 μg/m3.
The current carbon monoxide (CO) concentration at Shasta Lake, California is 0.214 ppm.
The current sulfur dioxide (SO2) concentration at Shasta Lake, California is 0.719 ppb.
The current ozone (O3) concentration at Shasta Lake, California is 32.949 ppm.
The current nitrogen dioxide (NO2) concentration at Shasta Lake, California is 1.791 ppb.
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