Today | Weather | Friday, December 12, 2025

Weather in Tucson, Arizona

12:19 PM
Now
Sunny Weather
73° F
Feels Like 77°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3
Humidity 23 %
Today
Sunny Weather
Day 79°
Night 50°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Tucson Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 12, 2024)
Cloudy Night

Day

77°

Night

48°

Wind

7 mph

Precipitation

0 %

Air Quality in Tucson

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.19 µg/m³
PM10 4.66 µg/m³
O3 0.044 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.08 ppm
NH3 0.57 µg/m³
NO 0.12 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)
PM2.52.19 µg/m³
PM104.66 µg/m³
O386.85 µg/m³
NO20.54 µg/m³
SO20.48 µg/m³
CO90.04 µg/m³
NH30.57 µg/m³
NO0.12 µg/m³