The Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air. EPA calculates the AQI for five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide, and nitrogen dioxide. For each of these pollutants, EPA has established national air quality standards to protect public health.
Potential reduction in life expectancy (long-term exposure)
With sustained exposure PM2.5 Calculating Life Years Lost Per Person. The AQLI estimates the relationship between air pollution and life expectancy, allowing users to view the gain in life expectancy they could experience if their community met World Health Organization (WHO) guidelines, national standards or some other standard.
Air quality in the area
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WHO guideline (daily): 15 µg/m³ PM2.5 are air pollutants with a diameter of 2.5 micrometers. Particulate matter (PM) is a common proxy indicator for air pollution. There is strong evidence for the negative health impacts associated with exposure to this pollutant. The major components of PM are sulfates, nitrates, ammonia, sodium chloride, black carbon, mineral dust and water.
WHO guideline (daily): 4000 µg/m³ Carbon monoxide is a colourless, odourless and tasteless toxic gas produced by the incomplete combustion of carbonaceous fuels such as wood, petrol, charcoal, natural gas and kerosene.
WHO guideline (daily): 40 µg/m³ SO2 is a colourless gas with a sharp odour. It is produced from the burning of fossil fuels (coal and oil) and the smelting of mineral ores that contain sulfur.
WHO guideline (daily): 25 µg/m³ NO2 is a gas that is commonly released from the combustion of fuels in the transportation and industrial sectors.
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