San Diego-Carlsbad, CA
- High ozone days per year: 45
- No. of days with unhealthy particle pollution: 1
- People with asthma: 250,609
- Population: 3,337,685
The sources of pollution in the San Diego area, among others, are its shipbuilding industry and busy freeways. A new statewide initiative called the Community Air Protection Program seeks to address the air-quality problems that often hit already disadvantaged areas the hardest.
One strategy will be providing assistance in replacing old diesel engines and upgrading port industries to electric power.