Today | Weather | Friday, November 21, 2025

Weather in Tucson, Arizona

06:26 PM
Now
Cloudy Weather
57° F
Feels Like 57°
Precipitation 40 %
Wind 4 mph
Humidity 44 %
Today
Partly Sunny with Showers
Day 64°
Night 52°
Precipitation 49 %
Wind 6 mph
UV Index (0 - 11+) 3

Tucson Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 21, 2024)
Cloudy Night

Day

84°

Night

48°

Wind

6 mph

Precipitation

0 %

Air Quality in Tucson

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.49 µg/m³
PM10 9.45 µg/m³
O3 0.035 ppm
NO2 1.4 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 2.49 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)
PM2.52.49 µg/m³
PM109.45 µg/m³
O369.07 µg/m³
NO22.59 µg/m³
SO20.14 µg/m³
CO105.63 µg/m³
NH32.49 µg/m³
NO0 µg/m³