Today | Weather | Saturday, November 1, 2025

Weather in Tempe, Arizona

05:14 PM

Now

86° F

Feels Like 84°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 0

Humidity 17 %

Today

Day 88°

Night 57°

Precipitation 0 %

Wind 4 mph

UV Index (0 - 11+) 4

Tempe Weather Forecast Updated

1 minute ago

Last updated on November 01, 2025 5:13 PM

Weather Forecast History

Last Year's Weather on This Day (November 1, 2024)

Day

79°

Night

52°

Wind

4 mph

Precipitation

Air Quality in Tempe

NOW

71 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 11.39 µg/m³

PM₁₀ 48.02 µg/m³

O₃ 0.061 ppm

NO₂ 0.3 ppb

SO₂ 0.1 ppb

CO 0.08 ppm

NH₃ 0.57 µg/m³

NO 0.05 µg/m³

PM_2.5 – 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)

PM_2.5 – 11.39 µg/m³

PM₁₀ – 48.02 µg/m³

O₃ – 119.47 µg/m³

NO₂ – 0.53 µg/m³

SO₂ – 0.31 µg/m³

CO – 91.39 µg/m³

NH₃ – 0.57 µg/m³

NO – 0.05 µg/m³

View Hourly Air Quality Forecast