Today | Weather | Saturday, April 4, 2026

Weather in Mesa, Arizona

09:53 PM
Now
Cloudy Night
77° F
Feels Like 73°
Precipitation 0 %
Wind 7 mph
Humidity 10 %
Today
Cloudy Night
Day 90°
Night 64°
Precipitation 0 %
Wind 7 mph

Mesa Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 4, 2025)
Cloudy Weather

Day

72°

Night

48°

Wind

6 mph

UV Index

8

Precipitation

8 %

Air Quality in Mesa

NOW
70 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.61 µg/m³
PM10 14.14 µg/m³
O3 0.060 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 3.84 µg/m³
NO 0 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.53.61 µg/m³
PM1014.14 µg/m³
O3118.34 µg/m³
NO21.03 µg/m³
SO20.23 µg/m³
CO121.79 µg/m³
NH33.84 µg/m³
NO0 µg/m³