Today | Weather | Wednesday, March 18, 2026

Weather in Gilbert, Arizona

03:47 AM
Now
Night
66° F
Feels Like 64°
Precipitation 0 %
Wind 7 mph
Humidity 31 %
Today
Hot Day
Day 100°
Night 66°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6

Gilbert Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Sunny Weather

Day

72°

Night

46°

Wind

14 mph

UV Index

6

Precipitation

0 %

Air Quality in Gilbert

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.36 µg/m³
PM10 30.4 µg/m³
O3 0.032 ppm
NO2 0.6 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 1.88 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)
PM2.56.36 µg/m³
PM1030.4 µg/m³
O362.01 µg/m³
NO21.19 µg/m³
SO20.24 µg/m³
CO111.8 µg/m³
NH31.88 µg/m³
NO0 µg/m³