Air Quality Summary by Date

Select date from calendar below. Numbers present the Air Quality Index and rating for: ozone, a principal component of smog; particulate matter smaller than 2.5 microns in diameter (PM2.5); and particulate matter smaller than 10 microns in diameter (PM10).  See The Air Quality Index for more information on pollutants and the Index. See Today’s Air Quality for current information, and Station Data for hourly levels at individual stations. Data should be considered preliminary until reviewed and approved.

 

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New Phone Numbers
The District has new direct lines for all staff, as well as for all of our phone lines, including our main phone number and Complaints line. You can find our new phone numbers on this webpage.

Nuevos números de teléfono
El Distrito tiene nuevos números de teléfono para comunicarse con el personal directamente, así como también para todas nuestras líneas telefónicas, incluyendo nuestro número principal y el de las Quejas. Puede encontrar nuestros nuevos números de teléfono en esta página web.