Pollutants in air quality index

How is AQI calculated? What is unhealthy air quality? Most of the stations on the map are monitoring both PM 2. The AQI is an index for reporting daily air quality. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.

It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. Keep track of the most polluted cities in the world with our air quality index (AQI) ranking. Air quality and pollution.

An air quality index ( AQI ) is used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become. Public health risks increase as the AQI rises. EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the of our analyses to this web site.

Occupants would also be wise to remove any known pollutants and or irritants (aerosols, stringent cleaning supplies, etc.) whenever possible. An air quality index is used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become. Different countries have their own air quality indices, corresponding to different national air quality standards. This site provides air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. Users can downloa output, view or visualize the data. Get real-time, historical and forecast PM2.

Read the air pollution in Kabul, Afghanistan with AirVisual. It transforms complex air quality data of various pollutants into a single number and colour. AQI has six categories of air quality.

These are: Goo Satisfactory, Moderately Pollute Poor, Very Poor and Severe. Lahore suffers from high levels of air pollution , with the city regularly ranking at the top of IQAir AirVisual ’s live pollution rankings of major global cities. Air Quality Index (AQI) is a tool to showcase air quality status. Air pollution is a mixture of natural and man-made substances in the air we breathe. It is typically separated into two categories: outdoor air pollution and indoor air pollution.

Outdoor air pollution involves exposures that take place outside of the built environment. The API was based on the level of atmospheric pollutants , namely sulphur dioxide (SO 2), nitrogen dioxide (NO 2), respirable suspended particulates, carbon monoxide (CO), ozone (O 3), lead (Pb), measured at all the monitoring stations throughout the territory. PM1 temperature, humidity and noise data of your location, city and state. Current air pollution levels for fine particles and ozone, along with a five-day forecast. Some particles are released directly from a specific source, while others form in complicated chemical reactions in the atmosphere.

Disclaimer: The data used in the compilation of this page have undergone only preliminary quality assurance checks. Particles come in a wide range of sizes.