Friday, Oct. 11, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Cool and comfortable this morning, then record-challenging heat this afternoon.

Tuesday, Oct. 1, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Thursday, Aug. 8, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.ity.

Thursday, June 13, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Air quality in San Antonio has slowly deteriorated as our population grows. What can be done about it, and what's ahead?

Thursday, Sept. 28, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Monday, Sept. 18, and Tuesday, Sept. 19, have been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Tuesday, Sept. 12, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Thursday, August 17, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Thursday, August 17, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Wednesday, June 7, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Friday, Oct. 7, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Wednesday, Sept. 14, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Friday, Sept. 9, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Friday, Sept. 9, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Friday, May 26, has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

San Antonio is one of 24 areas across the country that did not meet the fall 2021 deadline for the ozone standard.

Friday has been declared an Ozone Action Day in San Antonio by The Texas Commission on Environmental Quality.

Thursday is being declared an Ozone Action Day for the San Antonio area.

Wednesday is being declared an Ozone Action Day for the San Antonio area.

Saturday is an Ozone Action Day for the San Antonio area.

Saturday is an Ozone Action Day for the San Antonio area.

Friday is an Ozone Action Day for the San Antonio area.

The San Antonio Metropolitan Health District is alerting the public of the second Ozone Action Day of the year in the Alamo City.

The San Antonio Metropolitan Health District is alerting the public of the first Ozone Action Day of the year in the Alamo City.