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Photochemical smog, often referred to as "summer smog", is the chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere, which leaves airborne particles and ground-level ozone. [21] Photochemical smog depends on primary pollutants as well as the formation of secondary pollutants.
Before wildfires broke out across Los Angeles, the city's fire chief said that budget cuts were hampering the department's ability to respond to emergencies, a department memo shows.. Funding for ...
On August 5, 1889, San Diego established a paid, trained and organized fire protection service called the San Diego Fire Department. The newly formed San Diego Fire Department was led by Chief Engineer A.B. Cairnes. In 1894, seeing a need for larger ladders to rescue occupants out of the increasing number of tall buildings in San Diego, Chief ...
David Gerboth, currently the assistant fire chief at the San Diego Fire-Rescue Department, has more than 30 years experience. He will take over the role on Sept. 23 as the city's 43rd chief of the ...
The Bernardo Fire in San Diego's Rancho Bernardo community near Camino Del Norte and the 15 Freeway sparked Wednesday and and could reach 100 acres, the San Diego Fire-Rescue Department said ...
A view of Los Angeles covered in smog. Pollution in California relates to the degree of pollution in the air, water, and land of the U.S. state of California.Pollution is defined as the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a faster rate than it can be dispersed, diluted, decomposed, recycled, or ...
The presence of photochemical smog increases during the summer when the incident solar radiation is higher. The emitted hydrocarbons from industrial activities and transportation react with NO x quickly and increase the concentration of ozone and peroxide compounds, especially peroxyacetyl nitrate (PAN).
The Lilac Fire continues to burn in San Diego County, but forward progress on the fire was stopped Tuesday. The fire burned 85 acres and is 90% contained, according to CAL FIRE.