National air quality 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. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The index will also update the currently outdated system of monitoring air quality.

India monitor their air quality in some for, however, only cities have real time monitoring. Eventually , the index will be expanded to cover cities with a population of more than half a million. 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. For example, an AQI value of represents good air quality with little potential to affect public health, while an AQI value over 3represents hazardous air quality. An AQI value of 1generally corresponds to the national air quality standard for the pollutant, which is the level EPA has set to protect public health.

Air quality has improved significantly since the passage of the Clean Air. AQI is a tool to disseminate information on air quality in qualitative terms (e.g. goo satisfactory, poor) as well as its associated likely health impacts. Write a critical note on this policy initiative and examine if anything more needs to be done to tackle air pollution in Indian cities. Some decades ago, when national air quality standards were less stringent, the park did have air quality problems. Fluoride from a nearby aluminum processing plant was finding.

It also allows the querying and downloading of data daily and annual summary data. All the details on this standard are available from CPCB, or from this report from Indian Institute of Technology, Kanpur (). The World Health Organization (WHO) also had earlier termed Delhi as one of the most polluted city in the world in terms of air pollution. A FAQ page is available.

For example, In China- if air quality index reaches red level, they shut down primary schools. So Delhi will have to permanently shut down schools=coaching business expands. The Technical Services Program of the Air Pollution Control Division is responsible for the collection and analysis of air quality data throughout the state.

The program is also responsible for providing modeling analyses to determine the impacts various sources will have on air quality. A value in the unhealthy range, above the national air quality standard for any pollutant, is of concern first for sensitive groups, then for everyone as the. Students explore the air quality index and factors that contribute to poor air quality events. The AQI is an index for reporting daily air quality.

Click on the link in the media carousel above and download using the arrow in the lower right corner of the window. Tell students that bad. You’ve probably heard the words “code red” air quality , especially if you live in or near an urban area.

Knowing what the color codes mean can help you protect your health and the health of your loved ones. The cloudy sky and haze prevented the Chhath devotees from. Forest Service, and the U. The cities are ranked by the air quality in the most polluted county in the metropolitan area.

Select your city name to open links to a chart of the trends for ozone and year-round particle levels, as well as more information about air pollution and the local Lung Association. Air Quality Awareness Week.