Yuma pollen forecast - today, tomorrow and the week ahead

On 25 June 2026, overall pollen levels in Yuma are low. Grass is the main contributor to airborne pollen

On 26 June 2026, pollen conditions in Yuma will be similar to today with no significant pollen expected.

According to the five-day outlook, grass pollen levels will increase later in the week.

On 25 June 2026, Grass is the dominant pollen source in Yuma. hazel, cypress, and willow are not currently active.

Yuma's pollen season is dominated by cottonwood along the Colorado River and introduced olive and palm trees from February through April. Native Sonoran Desert species contribute seasonally from March through May. The long, extremely hot, dry summer largely suppresses mid-season pollen, with a secondary grass peak possible after late summer monsoon rains. The flat, open desert basin allows pollen to disperse widely under prevailing winds.

The Yuma pollen forecast is updated four times daily. See the timestamp below for the most recent update.

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.

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 Yuma, 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.