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
1.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.16 μg/m³
0
55
155
255
425
605+
32.65 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
4.20 ppb
0
54
101
361
1250
2050+
0.24 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 31
Good
3.48μg/m³
PM2.5
15.89μg/m³
PM10
34.03ppb
O3
0.51ppb
SO2
4.23ppb
NO2
0.24ppm
CO
AQI 31
Good
4.76μg/m³
PM2.5
20.60μg/m³
PM10
34.08ppb
O3
0.46ppb
SO2
3.55ppb
NO2
0.24ppm
CO
AQI 31
Good
1.07μg/m³
PM2.5
4.20μg/m³
PM10
32.78ppb
O3
0.46ppb
SO2
4.74ppb
NO2
0.29ppm
CO
AQI 31
Good
4.64μg/m³
PM2.5
11.23μg/m³
PM10
32.92ppb
O3
0.45ppb
SO2
3.52ppb
NO2
0.24ppm
CO
AQI 31
Good
5.16μg/m³
PM2.5
11.01μg/m³
PM10
33.96ppb
O3
0.31ppb
SO2
3.48ppb
NO2
0.24ppm
CO
AQI 31
Good
4.23μg/m³
PM2.5
10.06μg/m³
PM10
34.00ppb
O3
0.33ppb
SO2
4.03ppb
NO2
0.24ppm
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 04:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in South Lake Tahoe, California was observed at 06:00:00 on 2026-09-06.
As of now, the AQI in South Lake Tahoe, California is 31, 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 1.442 μg/m3.
The PM10 concentration in South Lake Tahoe, California is 6.16 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South Lake Tahoe, California is 0.238 ppm.
Currently, South Lake Tahoe, California has a sulfur dioxide (SO2) concentration of 0.504 ppb.
The current ozone (O3) level in South Lake Tahoe, California at the moment is 32.654 ppm.
Nitrogen dioxide (NO2) level in South Lake Tahoe, California at the moment is 4.199 ppb.
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