Stay updated with real-time air quality in South Lake Tahoe, 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)
27
Good
South Lake Tahoe, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.29 μg/m³
0
55
155
255
425
605+
21.31 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
5.04 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Lake Tahoe, California
South Lake Tahoe, California
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AQI 44
Good
7.99μg/m³
PM2.5
35.42μg/m³
PM10
14.36ppb
O3
0.37ppb
SO2
5.09ppb
NO2
0.42ppm
CO
AQI 81
Moderate
24.51μg/m³
PM2.5
107.71μg/m³
PM10
5.78ppb
O3
0.40ppb
SO2
8.91ppb
NO2
0.42ppm
CO
AQI 22
Good
4.03μg/m³
PM2.5
18.05μg/m³
PM10
11.87ppb
O3
0.43ppb
SO2
7.63ppb
NO2
0.44ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
42.89μg/m³
PM10
9.99ppb
O3
0.39ppb
SO2
15.49ppb
NO2
0.42ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
33.03μg/m³
PM10
2.38ppb
O3
0.30ppb
SO2
27.00ppb
NO2
0.40ppm
CO
AQI 66
Moderate
16.97μg/m³
PM2.5
63.16μg/m³
PM10
3.03ppb
O3
0.32ppb
SO2
16.88ppb
NO2
0.41ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for South Lake Tahoe, California is updated every hour for accuracy.
In the past 24 hours, the air quality in South Lake Tahoe, California was at its worst at 05:00:00 on 2026-01-23.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 04:00:00 on 2026-01-22.
As of now, the AQI in South Lake Tahoe, California is 27, indicating Good conditions.
South Lake Tahoe, California air has the highest levels of PM2.5.
Poor air quality in South Lake Tahoe, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in South Lake Tahoe, California are currently 4.805 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 22.291 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.428 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.362 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 21.31 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 5.037 ppb.
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