Climate and Clean Air Coalition (CCAC) launched an Air Quality Management Exchange Platform (AQMx) | Current Affairs | Vision IAS
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It was launched in the backdrop of International Day of Clean Air for Blue Skies (7 September).

  • Led by UN Environment Programme (UNEP), this year’s theme focuses on ‘Invest in Clean Air Now’.

About Air Quality Management Exchange Platform (AQMx)

  • It is a one-stop-shop that provides the latest air quality management guidance and tools proposed to meet WHO Air Quality Guidelines interim targets.
  • It is a component of CCAC Clean Air Flagship and contributes to implementation of UNEA-6 Resolution to increase regional cooperation and action on improving air quality globally.

Need of AQMx

  • Menace of air pollution: Causes more than 8 million premature deaths annually, particularly affecting poor and vulnerable.
  • Capacity gaps: AQMx helps to address air quality management capacity gaps with curated guidance on air quality monitoring, health impact assessments etc.
  • Knowledge sharing: Allow regional and sub-regional communities to exchange knowledge about air quality management best practices.

About CCAC

  • Founded in 2012, and convened within UNEP, CCAC is a voluntary partnership of more than 160 governments, intergovernmental organizations, and NGOs.  India joined CCAC in 2019.
  • It works to reduce powerful but short-lived climate pollutants– methane, black carbon, hydrofluorocarbons (HFCs), and tropospheric ozone – that drive both climate change and air pollution.

WHO Air Quality Guidelines (AQG)

  • They are a set of evidence-based recommendations of limit values for specific air pollutants.
  • They recommend levels and interim targets for common air pollutants: PM, O3, NO2, SO2, and CO. 
    • For instance, 24-hour mean of PM2.5 should not exceed 15 µg/m³ and annual mean of PM2.5 should not exceed 5 µg/m³.  (refer image)
A table compares pollutant concentration guidelines for 2005 and 2021. It includes PM2.5, PM10, O3, NO2, and SO2 across various averaging times such as annual and 24-hour, showing significant AQG reductions by 2021.
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