Aqi index

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. Different countries have their own air quality indices, corresponding to different national air quality standards. The AQI is an index 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.

Ozone forms in the sun, usually on hot summer days. Particle pollution, also called particulate matter or PM, is. Alaska AQI will not always match AirNow AQI as the timing of receipt of the raw data is different. When the AQI level ( air quality index ) is below 5 people are breathing fresh, clean air. People are no longer exposed to any health risk because the quality of air is pure.

Be highly active outside and spend more time. The GAIA air quality monitoring stations are using high-tech laser particle sensors to measure in real-time PM2. Very easy to set up, they only require a WIFI access point and a USB power supply. Get your own GAIA quality monitoring station now! How is AQI calculated?

What are the three levels of quality? Use the query tool below to get AQI reports for one state, county, or CBSA at a time. Click this link if you want a national file. Kabul air quality index ( AQI ) and PM2. Keep track of the most polluted cities in the world with our air quality index ( AQI ) ranking.

Oregon’s index is based on three pollutants regulated by the federal Clean Air Act: ground-level ozone, particle pollution and nitrogen dioxide. The highest of the AQI values for the individual pollutants becomes the AQI value for that day. For example, if values are for ozone and for nitrogen dioxide,. Data on this site is presented in Standard Time at. Unhealthy For Sensitive Groups.

A low cost air quality sensor network providing real time measurement of air quality on a public map. Useful to citizen scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi. The higher the AQI value, the greater the level of air pollution, which means the greater the health concerns.

Please select a city for detailed current conditions and forecasts. 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. It reflects the air pollutant with the highest reading in the monitoring network.

The map below provides information for each monitoring site in the network. Clicking on a specific site will take you to a new window where you can access current day and five-day hourly AQI histories. Air Quality Index ( AQI ) is a tool to showcase air quality status.