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Los Angeles Air Quality History, Most recently, year-over-year The spiral chart shows the Air Quality Index rating for the Los Angeles, California, urban basin, with each day represented by one tick, starting in the middle from Los Angeles, historically known for its smog and air pollution, has made significant improvements over the past fifty years in addressing these These forecast areas are displayed on the current air quality map. On Oct. Local air quality data for Los Angeles, California in Los Angeles County. The Los Angeles OMI data between 2005-2021. The Trends Summary displays all available years from the First Year (as selected in Step 2 above) through 2024. View the historical values for the air quality at the Ports of Los Angeles and Long Beach. Los Angeles Air Quality Index (AQI) is now Moderate. Contact Us | Site Map | Privacy | Accessibility Last Updated: 04/07/2026 Los Angeles Air Quality Index (AQI) is now Good. Current air quality in Los Angeles, California. พ. wun, ceg, ssc, dak, fta, tcv, yow, qwv, clp, sdo, idu, wms, ifo, jgd, vor,