My Local Air Quality

Diamond Bar - south

Current Advisories 3

My Air Quality is MODERATE

This means air quality is acceptable; however, unusually sensitive people should consider limiting prolonged outdoor exertion.

Main pollutant: PM 2.5

Last updated at: 1:00 pm on August 1, 2021

Learn more about AQI

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Learn more about AQI

AQI calculations are based on pollutants with national ambient air quality standards. South Coast AQMD also measures other types of pollutants through the programs below:
Follow these links for more information:
Historical AQI Maps Data (Concentration and AQI) Forecast AQI Advisories Webpage

South Coast AQMD’s Mobile App

Current Advisories

Smoke Advisories
No Active Advisories at this time
Windblown Dust & Ash Advisories
No Active Advisories at this time
Residential No Burn Alert
No Burn Alert
December 04, 2021