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* WHAT...The South Coast AQMD has extended an air quality alert due to harmful levels of fine particle pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the San Fernando Valley, San Gabriel Valley, Northern Inland Empire, Downtown and East Los Angeles, and Northern Orange County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until at least noon Today.

The Miami-Dade County Department of Environmental Resources Management has issued an Air Quality Alert for Fine Particulates until 3 PM EDT Tuesday. Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information on the Air Quality Index, please visit http://airnow.gov.

The Miami-Dade County Division of Environmental Resources Management has issued an Air Quality Alert for Fine Particulates until 3 PM EDT Monday. Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information on the Air Quality Index, please visit http://airnow.gov.

* WHAT...The South Coast AQMD has extended an air quality alert due to harmful levels of fine particle pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the San Fernando Valley, San Gabriel Valley, Northern Inland Empire, Downtown and East Los Angeles, and Northern Orange County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until at least noon on Monday.

The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Saturday June 20 to 1200 AM Sunday June 21 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. On Saturday, hot and sunny weather with limited clouds and storms is expected to allow ozone to reach the

* WHAT...The South Coast AQMD has extended an air quality alert due to harmful levels of fine particle pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE... Central and East Los Angeles, San Gabrieal Valley and Southeast LA county. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until 12:30 PM Sunday. * IMPACTS...Particle pollution can get deep into the lungs and cause

The Miami-Dade County Division of Environmental Resources Management and the Broward County Natural Resources Division has issued an Air Quality Alert for Fine Particulates until 10 AM EDT Sunday. Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information on the Air Quality Index, please visit http://airnow.gov.