Today | Weather | Monday, September 21, 2026

Weather in Yuma, Arizona

07:53 PM
Now
Night
91° F
Feels Like 88°
Precipitation 0 %
Wind 7 mph
Humidity 23 %
Today
Cloudy Weather
Day 100°
Night 73°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 7

Yuma Weather Forecast Updated

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

Day

99°

Night

79°

Wind

8 mph

Precipitation

14 %

Air Quality in Yuma

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.16 µg/m³
PM10 21 µg/m³
O3 0.042 ppm
NO2 0.7 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.18 µg/m³
NO 0.01 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)
PM2.55.16 µg/m³
PM1021 µg/m³
O382.59 µg/m³
NO21.32 µg/m³
SO20.48 µg/m³
CO113.28 µg/m³
NH30.18 µg/m³
NO0.01 µg/m³