Clean Air Funds Drained: Study Warns Dust Mitigation Diverts Focus from Critical PM2.5 Issue
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Science and Environment (CSE) conducts a study of the utilization of National Clean Air Programme(NCAP) funds to curb air pollution
The study undertakes the exercise by assessing fund utilization, city-level performance in improving air quality, and implementation gaps.
The study finds the following gaps
- The study found Road dust mitigation works consumes the majority of NCAP funds.
- The study recommends a shift of focus on curbing the finer, more lethal PM2.5 pollution.
- 64 percent of the total funds went into road dust mitigation to reduce particulate matter 10 (PM10)
National Clean Air Programme (NCAP),2019, is a time-bound national level strategy for pan India implementation to tackle the increasing air pollution problem across the country in a comprehensive manner .
- It is a five-year action plan to tackle pollution across the country.
- Collaborative and participatory approach involving relevant Central Ministries, State Governments, local bodies and other Stakeholders with focus on all sources of pollution forms the crux of the Programme.
- Overall objective of the National Clean Air Programme is comprehensive mitigation actions for prevention, control and abatement of air pollution besides augmenting the air quality monitoring network across the country and strengthening the awareness and capacity building activities.
- The tentative national level target of 20%–30% reduction of PM2.5 and PM10 concentration by 2024 is proposed under the NCAP taking 2017 as the base year for the comparison of concentration.
- Other features of NCAP include, increasing number of monitoring stations in the country including rural monitoring stations.
- Technology support, emphasis on awareness and capacity building initiatives.
- Setting up of certification agencies for monitoring equipment, source apportionment studies, emphasis on enforcement, specific sectoral interventions etc.
PM2.5
Means particulate matter in the air – caused by motor exhaust or anything combustible – that is less than 2.5 micrometers.
WHO’s air quality guidelines state that reducing particulate matter (PM10) from 70 to 20 micrograms per cubic metre, air pollution-related deaths could reduced by roughly 15 per cent. WHO safe limits for annual mean of PM 2.5 and PM 10 levels:10 and 20 micrograms per cubic meter.
Airborne particles are as ‘particulate matter’ or ‘PM’. They include dust, dirt, soot, smoke, and liquid droplets. These can be either natural or related to human activity. Natural sources include bushfires, dust storms, pollens and sea spray.
Those related to human activity include motor vehicle emissions, industrial processes (eg electricity generation, incinerators and stone crushing), unpaved roads and woodheaters. Particles can be classified on the basis of their size, referred to as their ‘aerodynamic diameter’. ‘Coarse particles’ are those between 10 and 2.5 micrometres (µm) in diameter. ‘fine particles’ are smaller than 2.5 µm; and ‘ultrafine particles’ are smaller than 0.1 µm. Studies have linked exposure to particle pollution to a number of health problems. It includes respiratory illnesses (such as asthma and bronchitis) and cardiovascular disease.
INDIA’S STANDARD FOR LEVEL OF POLLUTION
India has set standards for what it thinks are appropriate warnings for a particular level of pollutant. AQI help in comparing pollution levels at a glance with a colour code and a numerical value. AQIs are determined based on the concentrations of seven pollutants In India.
PM2.5 (fine, respirable particles), sulphur dioxide (SO2), nitrogen dioxide (NO2) and carbon monoxide (CO).
There are six AQI categories, namely: Good, Satisfactory, Moderately polluted, Poor, Very poor and Severe.
The Index is centred around five chief pollutants. PM with a diameter less than 10 micrometres (PM10), Particulate Matter with a diameter of less than 2.5 micrometers (PM2.5), ozone (O3), Nitrogen Dioxide (NO2), and Carbon Monoxide (CO).
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