Air Quality

The World Health Organization (WHO) recently released its latest global urban air pollution database, including information for nearly 3,000 cities—a doubling from the 2014 database, which itself had data from 500 more cities than the previous (2011) iteration. These increases in coverage in air pollution measurement and reporting is encouraging, but the WHO numbers reveal that we still have a ways to go to construct a comprehensive and accurate picture of global air quality.

A proposed warehouse facility the size of 700 football fields has prompted at least 10 lawsuits, with critics saying it would mark a major setback in the fight to clean up Southern California’s dirty air – some of the most polluted in the country.

The Port of Los Angeles paid a Chinese government-owned shipping company $5 million in 2005 to equip cargo vessels to plug into electric shore power while at dock to keep their massive diesel engines from polluting neighborhoods near the harbor. The company, China Shipping, used the money to upgrade 17 ships, but the city didn't get all the promised environmental benefits. Most of the vessels stopped traveling to Los Angeles in 2010, a Times review of shipping industry data showed.

High levels of potentially harmful exhaust particles from jets using Los Angeles International Airport have been detected in a broad swath of densely populated communities up to 10 miles east of the runways, a new air quality study reported Thursday. The research, believed to be the most comprehensive of its type, found that takeoffs and landings at LAX are a major source of ultrafine particles. They are being emitted over a larger area than previously thought, the study states, and in amounts about equal in magnitude to those from a large portion of the county's freeways.