What is the air quality trend in South Lake Tahoe?

Over the past 8 days, South Lake Tahoe had an average AQI of 44 based on station measurements. The worst day was 2026-05-22 with AQI 69.

How is South Lake Tahoe air quality measured?

Air quality in South Lake Tahoe is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for South Lake Tahoe, United States

Name: South Lake Tahoe Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near South Lake Tahoe, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

82h

PM2.5 Station

82h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	22	6–45	5.2 µg/m³	7h	1
2026-05-28	38	6–63	9.8 µg/m³	13h	1
2026-05-27	55	12–109	16.8 µg/m³	14h	1
2026-05-26	49	16–96	14.2 µg/m³	10h	1
2026-05-25	35	16–57	8.4 µg/m³	13h	1
2026-05-24	35	7–82	9.5 µg/m³	10h	1
2026-05-23	55	30–155	16.3 µg/m³	9h	1
2026-05-22	69	27–122	21.9 µg/m³	6h	1

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