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)
22
Good
South Lake Tahoe, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.00 μg/m³
0
55
155
255
425
605+
21.02 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
4.45 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Lake Tahoe, California
South Lake Tahoe, California
Scroll To Air Quality MapLoading...
AQI 33
Good
5.87μg/m³
PM2.5
21.61μg/m³
PM10
14.99ppb
O3
0.47ppb
SO2
4.45ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
42.90μg/m³
PM10
5.51ppb
O3
0.48ppb
SO2
5.04ppb
NO2
0.21ppm
CO
AQI 38
Good
7.16μg/m³
PM2.5
31.77μg/m³
PM10
17.71ppb
O3
0.48ppb
SO2
4.38ppb
NO2
0.21ppm
CO
AQI 38
Good
7.25μg/m³
PM2.5
29.82μg/m³
PM10
9.88ppb
O3
0.48ppb
SO2
5.16ppb
NO2
0.21ppm
CO
AQI 44
Good
7.92μg/m³
PM2.5
14.10μg/m³
PM10
3.89ppb
O3
0.50ppb
SO2
20.17ppb
NO2
0.20ppm
CO
AQI 67
Moderate
17.95μg/m³
PM2.5
35.79μg/m³
PM10
4.01ppb
O3
0.49ppb
SO2
8.98ppb
NO2
0.20ppm
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 11:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 11:00:00 on 2025-12-07.
As of now, the AQI in South Lake Tahoe, California is 22, 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 4.069 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 18 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.213 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.472 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 21.019 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 4.451 ppb.
All Rights Reserved © Ambee Inc. 2025