Today | Weather | Monday, September 21, 2026

Weather in Yakima, Washington

10:55 AM
Now
Cloudy Weather
72° F
Feels Like 75°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3
Humidity 43 %
Today
Sunny Weather
Day 86°
Night 54°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

Yakima Weather Forecast Updated

2 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Night

Day

75°

Night

43°

Wind

6 mph

Precipitation

0 %

Air Quality in Yakima

NOW
18 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.4 µg/m³
PM10 4.68 µg/m³
O3 0.020 ppm
NO2 3.1 ppb
SO2 0.1 ppb
CO 0.13 ppm
NH3 2.45 µg/m³
NO 3.24 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.4 µg/m³
PM104.68 µg/m³
O338.76 µg/m³
NO25.85 µg/m³
SO20.16 µg/m³
CO151.67 µg/m³
NH32.45 µg/m³
NO3.24 µg/m³