Dallas-Fort Worth-Arlington, TX
- High ozone days per year: 65
- No. of days with unhealthy particle pollution: 0
- People with asthma: 551,835
- Population: 7,400,479
An area rife with fracking, cement plants, and busy interstates, the Dallas-Fort Worth metro area struggles with high ozone levels. The number of particulate pollution days exceeding the standard level, however, was zero. Small improvements have been made through bans on idling trucks and cement plant upgrades.
