State of Global Aiir Quality Funding 2023--has been published by the UK-based Clear Air Fund in partnership with the Climate Policy Initiative

The report also reveals, that only 1 per cent of international development funding ($17.3 billion) 

and 2 per cent of international public climate finance was committed to targeting air pollution.

According to one study, the top two countries with the highest population-weighted annual average PM2.5 exposure, globally, are India and Nepal

however, these countries each received less than 1 percent of the total funding," the report mentions.

86 per cent of outdoor air quality funding provided by international development funders, or USD 12 billion, was concentrated in only five countries

China (37 percent), Philippines (20 per cent), Bangladesh (17 percent), Mongolia (6 percent) and Pakistan (6 percent)," the report states