Today | Weather | Thursday, October 29, 2026

Weather in Tucson, Arizona

07:58 PM
Now
Cloudy Night
73° F
Feels Like 72°
Precipitation 3 %
Wind 5 mph
Humidity 38 %
Today
Cloudy Weather
Day 84°
Night 61°
Precipitation 3 %
Wind 5 mph
UV Index (0 - 11+) 4

Tucson Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 29, 2025)
Night

Day

86°

Night

64°

Wind

8 mph

Precipitation

0 %

Air Quality in Tucson

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.32 µg/m³
PM10 21.22 µg/m³
O3 0.032 ppm
NO2 0.5 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.98 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 – 5.32 µg/m³
PM10 – 21.22 µg/m³
O3 – 62.03 µg/m³
NO2 – 0.96 µg/m³
SO2 – 0.08 µg/m³
CO – 102.56 µg/m³
NH3 – 0.98 µg/m³
NO – 0 µg/m³