Although the Bay Area is one of the cleanest of the five major urban air basins in California, there are still several days annually when air pollution exceeds the state or federal air quality standards.
Comments or questions:
I would like a response. (Allow 5-7 business days)
For assistance in English, call (415) 749-4900.
Para asistencia en español, llame a al (415) 749-4900.