Top Pollution-Free Cities in India: Clean Air and Green Initiatives
| Aspect | Details |
|---|---|
| Most Polluted City | Delhi, ranked as the second most polluted city globally with an AQI of 168. |
| Top Pollution-Free City | Palkalaiperur, Tamil Nadu, holds the title of the least polluted city in India with AQI 20. |
| List of Top 10 Cities | Palkalaiperur, Balasore, Aizawl, Ramanathapuram, Chikkaballapur, Madikeri, Madurai, Chikkamagaluru, Gangtok, Nagaon. |
| AQI of Top 10 Cities | Range from 20 to 30, all classified as 'Good'. |
| Factors for Clean Air | Lush greenery, low industrial activity, sustainable practices, community-led initiatives. |
| WHO PM2.5 Limit | Recommended limit is 5 μg/m³. |
| PM2.5 in Top Cities | Levels range from 8 μg/m³ to 11 μg/m³ in the top pollution-free cities. |

