Children's Health Study (CHS) Sites: October 2003 Fire

This page updated July 3, 2013.

In an ongoing effort to protect the health of the people of California, the Air Resources Board has air quality monitoring stations in southern California for the Children's Health Study (CHS). On this page we present a selection of the air quality data during October 2003 from seven of the CHS air monitoring stations in the Los Angeles (L.A.) basin that show the effects of the smoke from before, during, and after the most recent outbreak of fire in the southern California area.
We have prepared two additional composite graphs of the 24-hour maximum PM10 values and of the 24-hour average PM10 values from the seven CHS sites using the same October 2003 data. The Federal 24-hour PM10 standard and State 24-hour PM10 standard of 150 mg/m3 and 50 mg/m3 respectively, are included for reference. Please check these links for information on both the State and Federal standards and the health effects of PM10.
On the map below the green dots are the locations of the seven CHS sites from which we are presenting the hourly PM10 mass data. The yellow areas are the areas where the fires have impacted the L.A. Basin. The names in red are the names of the fires.
Please click on the map's green dots or the links with the site or graph names below to look at the PM10 mass data from the CHS sites. The ARB Emergency Response Team's "Air Quality and the Wildland Fires in Southern California October 2003" which is listed in the links below the map, reports tables of healthy and unhealthy levels.

Map of the October 2003 fire locations in the Southern California area and location of CHS air monitoring stations.

Map of the Southern California region with the 2003 fire locations

24 Hour Average Values

24 Hour Maximum Values

Long Beach



Mira Loma

U.C. Riverside

Lake Arrowhead

Lake Elsinore

More Resources and Useful Information
The ARB Emergency Response Team's "Air Quality and the Wildland Fires in Southern California October 2003"
The Wildfire Smoke Guide with Tables for Safe Health Levels
CAPCOA Fire and Smoke (this link has been retired) 
NASA Fire Photo Gallery

For more information, please contact Dr. Barbara Weller by email or by phone at 916-324-4816.

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