Close Hard to breathe: 15th highest ozone level Houston's air quality has improved over time. KHOU 4:45 PM. EST September 14, 2016 TRENDING VIDEOS Couple injured in plane crash near Pearland Police shoot at suspect before arrest Houston forecast for Sunday Peaceful protesters march in Houston, service held for law enforcement Wife of Charlotte shooting victim releases dramatic cell phone video Suspect in judge shooting escapes after chase Couple injured in plane crash near Pearland Police shoot at suspect before arrest Houston forecast for Sunday Student in bus crash helped fellow classmates More Stories Marlins pitcher Jose Fernandez killed in boating accident Sep 25, 2016, 8:24 a.m. Husband fatally shoots wife in the head Sep 25, 2016, 7:37 a.m. Tips from public lead to arrest of Burlington mall… Sep 23, 2016, 9:47 p.m.