Today | Weather | Tuesday, April 28, 2026

Weather in Mesa, Arizona

05:08 AM
Now
Night
59° F
Feels Like 57°
Precipitation 0 %
Wind 6 mph
Humidity 36 %
Today
Cloudy Weather
Day 86°
Night 61°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Mesa Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 28, 2025)
Sunny Weather

Day

79°

Night

57°

Wind

4 mph

UV Index

10

Precipitation

0 %

Air Quality in Mesa

NOW
52 AQI
Moderate air quality Dominant pollutant: PM10

Pollutant Concentrations:

PM2.5 11.26 µg/m³
PM10 58.94 µg/m³
O3 0.040 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 8.09 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)
PM2.511.26 µg/m³
PM1058.94 µg/m³
O378.41 µg/m³
NO20.75 µg/m³
SO20.22 µg/m³
CO117.45 µg/m³
NH38.09 µg/m³
NO0 µg/m³