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)
28
Good
South Lake Tahoe, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.39 μg/m³
0
55
155
255
425
605+
29.75 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
11.71 ppb
0
54
101
361
1250
2050+
0.28 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 39
Good
1.97μg/m³
PM2.5
7.86μg/m³
PM10
42.16ppb
O3
0.39ppb
SO2
2.84ppb
NO2
0.22ppm
CO
AQI 40
Good
0.85μg/m³
PM2.5
3.14μg/m³
PM10
42.99ppb
O3
0.33ppb
SO2
2.44ppb
NO2
0.22ppm
CO
AQI 37
Good
3.36μg/m³
PM2.5
14.81μg/m³
PM10
40.38ppb
O3
0.34ppb
SO2
1.63ppb
NO2
0.28ppm
CO
AQI 37
Good
1.80μg/m³
PM2.5
6.05μg/m³
PM10
39.85ppb
O3
0.31ppb
SO2
2.43ppb
NO2
0.22ppm
CO
AQI 38
Good
2.16μg/m³
PM2.5
8.10μg/m³
PM10
41.21ppb
O3
0.11ppb
SO2
1.16ppb
NO2
0.22ppm
CO
AQI 34
Good
4.08μg/m³
PM2.5
8.93μg/m³
PM10
37.19ppb
O3
0.14ppb
SO2
1.41ppb
NO2
0.22ppm
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 2025-10-21.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 10:00:00 on 2025-10-21.
As of now, the AQI in South Lake Tahoe, California is 28, 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 4.165 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 18.388 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.275 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.417 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 29.751 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 11.71 ppb.
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