Today | Weather | Thursday, December 11, 2025

Weather in Mesa, Arizona

06:45 AM
Now
Night
48° F
Feels Like 48°
Precipitation 0 %
Wind 5 mph
Humidity 67 %
Today
Sunny Weather
Day 77°
Night 48°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Mesa Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 11, 2024)
Cloudy Night

Day

68°

Night

48°

Wind

4 mph

Precipitation

0 %

Air Quality in Mesa

NOW
68 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 20.21 µg/m³
PM10 43.53 µg/m³
O3 0.031 ppm
NO2 2.3 ppb
SO2 0.5 ppb
CO 0.17 ppm
NH3 2.06 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)
PM2.520.21 µg/m³
PM1043.53 µg/m³
O361.07 µg/m³
NO24.37 µg/m³
SO21.25 µg/m³
CO191.14 µg/m³
NH32.06 µg/m³
NO0 µg/m³