What are the long-term trends in air quality in urban areas?

May 14, 2024 ... The AQI tells you when high levels of air pollution are predicted and how air pollution affects your health. Finding the AQI is easy. It's on ... Advisories: Log In. Latest news. No News. Read more. General Index. Stations. Alphabetic Index. ;. This algorithm converts raw PM 2.5 readings into an air quality index (AQI) value that can help inform health-related decisions. The index is calculated based ... The Daily Air Quality Update is based on the Air Quality Index (AQI), which is the EPA's tool for reporting air quality. The AQI tells you how clean or polluted ... By expanding research beyond singular routes of exposure and pollutants, the EQI helps provide a clearer picture of the relationship between the environment and ... Air Quality Index Reports. The AQI reports on five major air pollutants: ozone, particulate matter, sulfur dioxide, carbon monoxide and nitrogen dioxide. An AQI ... If you would like to send us a message, please try to use one of the following dedicated contact channels. View All Events. X (formerly Twitter). Tweets by SouthCoastAQMD. Air Quality Index (AQI) Map. Chrome; Firefox; Safari; Edge. Air Quality Maps. Current Air ... Jan 18, 2025 ... The Air Quality Index does not take into account many gas or particle contaminants that are produced during wildfires, particularly when houses, cars and other ... This standardized system to provide the public with timely and easy-to-understand information on local air quality and whether air pollution levels pose a ...