Nevada pollen and allergy seasons
Nevada has a spring tree season in its valleys and a sagebrush led weed season in late summer.
Twelve month pollen calendar
What is active in July
Pollen is typically low across the board in July in Nevada.
Cities in Nevada
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Sparks | Very Highas of Jul 15 | Grass | Low |
| Carson City | Very Highas of Jul 15 | Grass | Low |
| Pahrump | Very Highas of Jul 15 | Grass | Low |
| Sun Valley | Very Highas of Jul 15 | Grass | Low |
| Dayton | Very Highas of Jul 15 | Grass | Low |
| Spring Creek | Very Highas of Jul 15 | Grass | Low |
| Mercury | Very Highas of Jul 15 | Grass | Low |
| Humboldt House | Very Highas of Jul 15 | Grass | Low |
| Stateline | Very Highas of Jul 15 | Grass | Low |
| Verdi | Very Highas of Jul 15 | Grass | Low |
| Minden | Very Highas of Jul 15 | Grass | Low |
| Gardnerville | Very Highas of Jul 15 | Grass | Low |
| Reno | Highas of Jul 15 | Grass | Low |
| Whitney | Highas of Jul 15 | Grass | Low |
| Summerlin South | Highas of Jul 15 | Grass | Low |
| Gardnerville Ranchos | Highas of Jul 15 | Grass | Low |
| Cold Springs | Highas of Jul 15 | Grass | Low |
| Virginia City | Highas of Jul 15 | Grass | Low |
| Winnemucca | Highas of Jul 15 | Grass | Low |
| Incline Village | Highas of Jul 15 | Grass | Low |
| Las Vegas | Moderateas of Jul 15 | Grass | Low |
| Henderson | Moderateas of Jul 15 | Grass | Low |
| North Las Vegas | Moderateas of Jul 15 | Grass | Low |
| Enterprise | Moderateas of Jul 15 | Grass | Low |
| Spring Valley | Moderateas of Jul 15 | Grass | Low |
| Sunrise Manor | Moderateas of Jul 15 | Grass | Low |
| Paradise | Moderateas of Jul 15 | Grass | Low |
| Winchester | Moderateas of Jul 15 | Grass | Low |
| Boulder City | Moderateas of Jul 15 | Grass | Low |
| Zephyr Cove | Moderateas of Jul 15 | Grass | Low |
| Indian Springs | Moderateas of Jul 15 | Grass | Low |
| Fernley | No live reading | Not available | Low |
| Mesquite | No live reading | Not available | Low |
| Elko | No live reading | Not available | Low |
| Spanish Springs | No live reading | Not available | Low |
| Bridge House | No live reading | Not available | Low |
| Silver Springs | No live reading | Not available | Low |
| Tonopah | No live reading | Not available | Low |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
The Nevada allergy season
Allergy levels in Nevada peak in August, when sagebrush pollen runs highest. The season moves through tree pollen around February, grass in April, weed pollen such as ragweed in August. Levels start to climb around February. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Nevada?
Pollen levels in Nevada usually begin climbing in February and reach their highest point in August.
What is the worst month for allergies in Nevada?
August is typically the worst month in Nevada, driven by sagebrush pollen.
When does ragweed season end in Nevada?
Ragweed pollen in Nevada usually fades by the end of September, after the first hard frost in colder areas.
When is the best time for allergies in Nevada?
January usually brings the lowest pollen levels of the year in Nevada.