Today | Weather | Thursday, March 12, 2026

Weather in Tempe, Arizona

06:23 AM
Now
Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 6 mph
Humidity 33 %
Today
Sunny Weather
Day 91°
Night 55°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6

Tempe Weather Forecast Updated

34 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 12, 2025)
Cloudy Weather

Day

72°

Night

52°

Wind

6 mph

UV Index

3

Precipitation

25 %

Air Quality in Tempe

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

Pollutant Concentrations:

PM2.5 15.69 µg/m³
PM10 61.7 µg/m³
O3 0.039 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 1.3 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 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)
PM2.515.69 µg/m³
PM1061.7 µg/m³
O376.63 µg/m³
NO20.89 µg/m³
SO20.14 µg/m³
CO131.54 µg/m³
NH31.3 µg/m³
NO0 µg/m³