Today | Weather | Friday, October 9, 2026

Weather in Tucson, Arizona

03:17 PM
Now
Cloudy Weather
93° F
Feels Like 97°
Precipitation 39 %
Wind 6 mph
UV Index (0 - 11+) 3
Humidity 21 %
Today
Sunny with a Chance of Thunderstorms
Day 97°
Night 73°
Precipitation 72 %
Wind 10 mph
UV Index (0 - 11+) 5

Tucson Weather Forecast Updated

52 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 9, 2025)
Cloudy Night

Day

90°

Night

73°

Wind

8 mph

Precipitation

49 %

Air Quality in Tucson

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.91 µg/m³
PM10 12.45 µg/m³
O3 0.041 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.08 ppm
NH3 0.37 µg/m³
NO 0.03 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 – 3.91 µg/m³
PM10 – 12.45 µg/m³
O3 – 80.4 µg/m³
NO2 – 0.21 µg/m³
SO2 – 0.21 µg/m³
CO – 92.65 µg/m³
NH3 – 0.37 µg/m³
NO – 0.03 µg/m³