Today | Weather | Thursday, October 15, 2026

Weather in Mesa, Arizona

06:13 AM
Now
Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 6 mph
Humidity 50 %
Today
Sunny Weather
Day 90°
Night 66°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 5

Mesa Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 15, 2025)
Night

Day

81°

Night

55°

Wind

5 mph

Precipitation

0 %

Air Quality in Mesa

NOW
30 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 7.29 µg/m³
PM10 29.41 µg/m³
O3 0.033 ppm
NO2 0.9 ppb
SO2 0 ppb
CO 0.12 ppm
NH3 1.51 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 7.29 µg/m³
PM10 – 29.41 µg/m³
O3 – 64.07 µg/m³
NO2 – 1.69 µg/m³
SO2 – 0.12 µg/m³
CO – 133.72 µg/m³
NH3 – 1.51 µg/m³
NO – 0 µg/m³