Monitoring air pollution levels is key to adopting and …
2023年10月10日 · In 2021, WHO issued updated and more stringent air quality guidelines to reflect adverse health effects at lower concentrations than previously recognized. Air quality monitoring is the first step for understanding a population’s exposure and taking action.
Air pollution data portal - World Health Organization (WHO)
Interactive map shows the presence of air quality standards in countries around the world for different pollutants
Air Quality Index (AQI) Basics - AirNow
Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.
Air Quality Index (AQI) | AirNow.gov
The Air Quality Index (AQI) tells you how clean or polluted your outdoor air is and the associated health effects that may be of concern.
Environments and Contaminants - Criteria Air Pollutants
2024年7月11日 · EPA, state, local, and tribal air pollution control agencies collect and report data from thousands of monitors to the Air Quality System (AQS) database. For Indicators E1 and E2, these criteria pollutant measurements are compared to the levels of the National Ambient Air Quality Standards (NAAQS), established by EPA under the Clean Air Act.
Air quality index - Wikipedia
Air quality in Canada has been reported for many years with provincial air quality indices (AQIs). Significantly, AQI values reflect air quality management objectives, which are based on the lowest achievable emissions rate, rather than exclusive concern for human health.
How is air quality measured? - UNEP
2022年9月22日 · Here’s what you need to know about air quality monitoring and how it can help reduce air pollution.
Air quality database: Update 2022 - World Health Organization …
The WHO global ambient air quality database is continuously being updated. If you are an official air quality data provider at either the country or city level, please use this template to submit the data to WHO.
Air Quality (Outdoor) | Tracking Program | CDC - Centers for …
2024年2月12日 · Forecasted Air Quality Indicators. The Tracking Program collaborated with NASA's Goddard Space Flight Center to develop this dataset. These forecasts can help decision-makers and other stakeholders anticipate harmful air pollution exposures several days in advance. This composition forecast dataset is a research-grade product.
Air pollution exposure - OECD
Air pollution exposure is the amount of airborne fine particulate matter that a population is subjected to.