South Coast Air Quality Management District - South Coast AQMD

South Coast Air Quality Management District - South Coast AQMD Improving air quality in Los Angeles, Orange County, Riverside and San Bernardino counties There are about 28,400 such businesses operating under AQMD permits.

AQMD is responsible for controlling emissions primarily from stationary sources of air pollution. These can include anything from large power plants and refineries to the corner gas station. Many consumer products are also considered stationary sources; these include house paint, furniture varnish, and thousands of products containing solvents that evaporate into the air. About 25% of this area's

ozone-forming air pollution comes from stationary sources, both businesses and residences. The other 75% comes from mobile sources--mainly cars, trucks and buses, but also construction equipment, ships, trains and airplanes. Emission standards for mobile sources are established by state or federal agencies, such as the California Air Resources Board and the U.S. Environmental Protection Agency, rather than by local agencies such as the AQMD.

PARTICLE POLLUTION ADVISORY (Wednesday, June 17 - Thursday, June 18):Smoke from a structure fire is impacting in Boy...
06/18/2026

PARTICLE POLLUTION ADVISORY (Wednesday, June 17 - Thursday, June 18):
Smoke from a structure fire is impacting in Boyle Heights, , , downtown and in portions of the : http://aqmd.gov/advisory

WINDBLOWN DUST (Wednesday, June 17 - Thursday, June 18): High winds may result in blowing dust in Valley leading to ...
06/17/2026

WINDBLOWN DUST (Wednesday, June 17 - Thursday, June 18):
High winds may result in blowing dust in Valley leading to potentially Very Unhealthy or higher air quality levels: http://aqmd.gov/advisory

REMINDER: Our / / West Virtual Community Air Protection Program ( ) Community Steering Committee Meeting will be h...
06/17/2026

REMINDER: Our / / West Virtual Community Air Protection Program ( ) Community Steering Committee Meeting will be held Thursday afternoon at 2pm. More info: aqmd.gov/AB617

Forecast (Wednesday, June 17th): aqmd.gov/forecastAQI readings in portions of the are predicted to reach Unhealthy f...
06/17/2026

Forecast (Wednesday, June 17th): aqmd.gov/forecast
AQI readings in portions of the are predicted to reach Unhealthy for Sensitive Groups or higher levels

View our Real Time Map: http://aqmd.gov/aqimap

Join us for a virtual Office Hour session this afternoon to share your input on potential additional measures for our Co...
06/17/2026

Join us for a virtual Office Hour session this afternoon to share your input on potential additional measures for our Cooperative Agreement with the Ports of and : http://aqmd.gov/portsagreement

Forecast (Wednesday, June 17th): aqmd.gov/forecast🏖 Coastal: Good -to- Moderate🏙 LA: Moderate🌅 OC: Moderate🌄 Inland Em...
06/17/2026

Forecast (Wednesday, June 17th): aqmd.gov/forecast
🏖 Coastal: Good -to- Moderate
🏙 LA: Moderate
🌅 OC: Moderate
🌄 Inland Empire: Moderate -to- Unhealthy for Sensitive Groups
🌴 Coachella Valley: Moderate

View our Real Time Map: aqmd.gov/aqimap

South Coast AQMD has issued Notices of Violation (NOVs) to World Oil Recycling in due to odor impacts to nearby commun...
06/16/2026

South Coast AQMD has issued Notices of Violation (NOVs) to World Oil Recycling in due to odor impacts to nearby communities and failures to maintain equipment in proper operating condition: https://ow.ly/SRUV50Zcy2b

WILDFIRE SMOKE ADVISORY EXTENDED (Tuesday, June 16 - Wednesday, June 17): burning in and burning in continue to a...
06/16/2026

WILDFIRE SMOKE ADVISORY EXTENDED (Tuesday, June 16 - Wednesday, June 17):
burning in and burning in continue to affect our air quality: http://aqmd.gov/advisory

If you smell smoke or see ash, please take precautions:
http://aqmd.gov/smokesafety

Forecast (Tuesday, June 16th): aqmd.gov/forecastAQI readings in portions of County and are predicted to reach Unhe...
06/16/2026

Forecast (Tuesday, June 16th): aqmd.gov/forecast
AQI readings in portions of County and are predicted to reach Unhealthy for Sensitive Groups or higher levels

View our Real Time Map: http://aqmd.gov/aqimap

Address

21865 Copley Drive
Diamond Bar, CA
91765

Opening Hours

Tuesday 7:30am - 5:30pm
Wednesday 7:30am - 5:30pm
Thursday 7:30am - 5:30pm
Friday 7:30am - 5:30pm

Telephone

+19093962000

Website

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