Today | Weather | Wednesday, November 4, 2026

Weather in Mesa, Arizona

09:30 AM
Now
Sunny Weather
63° F
Feels Like 66°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 62 %
Today
Sunny Weather
Day 77°
Night 55°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 4

Mesa Weather Forecast Updated

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

Day

90°

Night

57°

Wind

5 mph

Precipitation

0 %

Air Quality in Mesa

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

Pollutant Concentrations:

PM2.5 15.97 µg/m³
PM10 43.97 µg/m³
O3 0.036 ppm
NO2 1.1 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 3.04 µg/m³
NO 0.27 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)
PM2.5 – 15.97 µg/m³
PM10 – 43.97 µg/m³
O3 – 71.65 µg/m³
NO2 – 1.98 µg/m³
SO2 – 0.2 µg/m³
CO – 161.89 µg/m³
NH3 – 3.04 µg/m³
NO – 0.27 µg/m³