South Lake Tahoe pollen forecast - today, tomorrow and the week ahead
Today (16 July) pollen in South Lake Tahoe is medium; grass is medium; ragweed is low. Tomorrow (17 July 2026) levels are similar. Over the following five days grass and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
South Lake Tahoe sits on the southern shore of Lake Tahoe in the Sierra Nevada, where the dominant vegetation is a mix of Jeffrey and lodgepole pine, white fir, and lakeside willow, shaping the local pollen profile across the seasons. Exposure varies with proximity to green space versus the more built-up parts of South Lake Tahoe. Residents who spend time outdoors around South Lake Tahoe typically notice the shift as each season turns over.
Today - 16 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
37/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
16/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 17 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
35/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
17/100
Air quality in South Lake Tahoe
View air qualityFrequently Asked Questions
Is pollen high in South Lake Tahoe right now?
On 16 July 2026, overall pollen levels in South Lake Tahoe are moderate. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in South Lake Tahoe tomorrow?
On 17 July 2026, pollen conditions in South Lake Tahoe will be similar to today, with ambrosia at low levels, grass at medium levels
Is pollen expected to decrease in South Lake Tahoe this week?
According to the five-day outlook, ambrosia, grass, and oak pollen levels will increase later in the week.
Which pollen types are currently active in South Lake Tahoe?
On 16 July 2026, Grass is the dominant pollen source in South Lake Tahoe. ambrosia are also present but at lower levels. artemisia, birch, cypress, oak, willow, and alder are not currently active.
When is pollen season in South Lake Tahoe?
How often is the South Lake Tahoe pollen forecast updated?
The South Lake Tahoe pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in South Lake Tahoe come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in South Lake Tahoe based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in South Lake Tahoe, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Want to see pollen forecasts for other cities in United States?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for South Lake Tahoe.
For long term forecasts and maps, see the Airmine app
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.