Today | Weather | Friday, September 18, 2026

Weather in Gilbert, Arizona

12:15 PM
Now
Sunny Weather
95° F
Feels Like 102°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 7
Humidity 35 %
Today
Cloudy Weather
Day 100°
Night 77°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 7

Gilbert Weather Forecast Updated

54 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Stormy Weather

Day

99°

Night

79°

Wind

7 mph

Precipitation

80 %

Air Quality in Gilbert

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.12 µg/m³
PM10 26.72 µg/m³
O3 0.028 ppm
NO2 0.3 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.63 µg/m³
NO 0.16 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)
PM2.55.12 µg/m³
PM1026.72 µg/m³
O355.02 µg/m³
NO20.55 µg/m³
SO20.11 µg/m³
CO100.22 µg/m³
NH30.63 µg/m³
NO0.16 µg/m³