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)
34
Good
South Lake Tahoe, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.09 μg/m³
0
55
155
255
425
605+
37.41 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
2.66 ppb
0
54
101
361
1250
2050+
0.16 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 40
Good
4.31μg/m³
PM2.5
19.03μg/m³
PM10
42.74ppb
O3
0.68ppb
SO2
2.31ppb
NO2
0.18ppm
CO
AQI 41
Good
5.58μg/m³
PM2.5
23.91μg/m³
PM10
44.03ppb
O3
0.61ppb
SO2
2.28ppb
NO2
0.18ppm
CO
AQI 42
Good
6.12μg/m³
PM2.5
27.03μg/m³
PM10
44.73ppb
O3
0.58ppb
SO2
2.30ppb
NO2
0.23ppm
CO
AQI 42
Good
5.25μg/m³
PM2.5
19.86μg/m³
PM10
45.31ppb
O3
0.60ppb
SO2
2.30ppb
NO2
0.18ppm
CO
AQI 47
Good
7.33μg/m³
PM2.5
25.21μg/m³
PM10
51.37ppb
O3
0.41ppb
SO2
2.21ppb
NO2
0.18ppm
CO
AQI 44
Good
6.70μg/m³
PM2.5
32.04μg/m³
PM10
48.13ppb
O3
0.44ppb
SO2
2.26ppb
NO2
0.18ppm
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 2025-07-16.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 02:00:00 on 2025-07-16.
As of now, the AQI in South Lake Tahoe, California is 42, 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 4.014 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 18.05 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.18 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.679 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 44.9 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 2.293 ppb.
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