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The skyline of downtown Los Angeles obscured by hazy skies following a wildfire north of the city on a moderate air quality day on June 20. (Patrick T. Fallon/AFP via Getty Images) (PATRICK T ...
For most of Monday, measurements on the U.S. Air Quality Index hovered around moderate or good in the central Los Angeles area, but only through 9 p.m. Starting then — just after most firework ...
All lanes of Interstate 15 between Los Angeles and Las Vegas that were closed for 48 hours due to a big rig accident that created a chemical hazard have reopened, the California Highway Patrol said.
Regulation of air pollution is a shared responsibility between federal, state, and local governments. Since 1999, the EPA has used the air quality index (AQI) to communicate air pollution risk to the public, on a scale from 0 to 500, with six levels from Good to Hazardous. [10] (.
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 ...
An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [2][3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...
EPA v. Calumet Shreveport Refining, No. 23-1229, 605 U.S. ___ (2025) The Clean Air Act (CAA) is the United States' primary federal air quality law, intended to reduce and control air pollution nationwide. Initially enacted in 1963 and amended many times since, it is one of the United States' first and most influential modern environmental laws.
Read more:Los Angeles makes progress but earns 25th-straight F in air quality. Business leaders said the rule will take a toll on operations whose livelihoods depend on affordable access to hot water.