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

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.91 μg/m³
0
55
155
255
425
605+
33.05 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
7.39 ppb
0
54
101
361
1250
2050+
0.15 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 41
Good
4.35μg/m³
PM2.5
18.78μg/m³
PM10
44.14ppb
O3
0.34ppb
SO2
6.22ppb
NO2
0.13ppm
CO
AQI 39
Good
2.34μg/m³
PM2.5
10.14μg/m³
PM10
42.08ppb
O3
0.31ppb
SO2
6.78ppb
NO2
0.13ppm
CO
AQI 39
Good
2.49μg/m³
PM2.5
9.92μg/m³
PM10
41.97ppb
O3
0.36ppb
SO2
6.10ppb
NO2
0.14ppm
CO
AQI 24
Good
3.77μg/m³
PM2.5
13.18μg/m³
PM10
26.31ppb
O3
0.30ppb
SO2
6.97ppb
NO2
0.13ppm
CO
AQI 38
Good
6.93μg/m³
PM2.5
11.14μg/m³
PM10
30.67ppb
O3
0.20ppb
SO2
8.66ppb
NO2
0.10ppm
CO
AQI 38
Good
6.76μg/m³
PM2.5
21.37μg/m³
PM10
19.86ppb
O3
0.22ppb
SO2
7.96ppb
NO2
0.11ppm
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 01:00:00 on 2025-11-05.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 05:00:00 on 2025-11-04.
As of now, the AQI in South Lake Tahoe, California is 38, indicating Good conditions.
South Lake Tahoe, California air has the highest levels of O3.
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 1.642 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 8.108 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.153 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.349 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 40.887 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 5.866 ppb.
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