It`s not Delhi, but this Indian city is most polluted in the world - Report
According to the IQAir 2025 World Air Quality Report, Loni recorded an annual average PM2.5 concentration of 112.5 µg/m³, which is more than 22 times the World Health Organization's (WHO) safe annual guideline of 5 µg/m³.
Top Stories India 
According to the IQAir 2025 World Air Quality Report, Loni recorded an annual average PM2.5 concentration of 112.5 µg/m³, which is more than 22 times the World Health Organization's (WHO) safe annual guideline of 5 µg/m³.
