Lucknow tops clean air survey 2026 for taking air pollution control measures, none of the big metros met the acceptable limit of PM10 levels in 2025-26
<a href="https://timesofindia.indiatimes.com/india/lucknow-tops-clean-air-survey-2026-for-taking-air-pollution-control-measures-none-of-the-big-metros-met-the-acceptable-limit-of-pm10-levels-in-2025-26/articleshow/133891310.cms"><img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/133891310.cms" /></a>