Today | Weather | Monday, December 15, 2025

Weather in Tempe, Arizona

02:24 PM
Now
Sunny Weather
79° F
Feels Like 81°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 20 %
Today
Sunny Weather
Day 81°
Night 46°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Tempe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 15, 2024)
Night

Day

70°

Night

43°

Wind

4 mph

Precipitation

0 %

Air Quality in Tempe

NOW
63 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 17.97 µg/m³
PM10 41.09 µg/m³
O3 0.045 ppm
NO2 1 ppb
SO2 0.2 ppb
CO 0.16 ppm
NH3 1.62 µg/m³
NO 0.39 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.517.97 µg/m³
PM1041.09 µg/m³
O388.35 µg/m³
NO21.91 µg/m³
SO20.47 µg/m³
CO179.67 µg/m³
NH31.62 µg/m³
NO0.39 µg/m³