Air Quality Rankings — Most & Least Polluted Cities

🇮🇳 India — most polluted right now

1 GurugramHaryana SeverePM2.5 449 2 Fatehpur Sikri SeverePM2.5 402 3 Khora Very PoorPM2.5 398 4 DelhiDelhi Very PoorPM2.5 382 5 JaipurRajasthan Very PoorPM2.5 382 6 Jind Very PoorPM2.5 366 7 GhaziabadUttar Pradesh Very PoorPM2.5 361 8 Greater NoidaUttar Pradesh Very PoorPM2.5 359 9 Pithampur Very PoorPM2.5 359 10 NoidaUttar Pradesh Very PoorPM2.5 357

🇮🇳 India — cleanest right now

1 Korba GoodPM2.5 18 2 Tumidih GoodNO₂ 19 3 Aizawl GoodSO₂ 19 4 Milupara GoodPM10 20 5 Kunjemura GoodPM10 21 6 Nayagarh GoodSO₂ 23 7 Haldia GoodPM10 25 8 Bileipada GoodPM10 25 9 Gangtok GoodPM2.5 27 10 Barbil GoodO₃ 27

🌍 World — most polluted (US AQI)

1 PeshawarPakistan UnhealthyPM2.5 196 2 LahorePakistan UnhealthyPM2.5 186 3 SialkotPakistan UnhealthyPM2.5 176 4 FaisalabadPakistan UnhealthyPM2.5 164 5 GujranwalaPakistan UnhealthyPM2.5 159 6 IslamabadPakistan Unhealthy for Sensitive GroupsPM2.5 149 7 RawalpindiPakistan Unhealthy for Sensitive GroupsPM2.5 149 8 KampalaUganda Unhealthy for Sensitive GroupsPM2.5 136 9 Kuala LumpurMalaysia Unhealthy for Sensitive GroupsPM2.5 113 10 KathmanduNepal Unhealthy for Sensitive GroupsPM2.5 102

🌍 World — cleanest (US AQI)

1 Phnom PenhCambodia GoodPM2.5 6 2 AucklandNew Zealand GoodPM2.5 7 3 New YorkUnited States GoodPM2.5 13 4 DenverUnited States GoodPM2.5 14 5 SeattleUnited States GoodPM2.5 17 6 AthensGreece GoodPM10 17 7 KrakowPoland GoodPM10 20 8 ChicagoUnited States GoodPM2.5 20 9 TorontoCanada GoodPM2.5 22 10 YangonMyanmar GoodPM2.5 23

Full live rankings

Most polluted cities in India → Cleanest cities in India → Most polluted cities in the world → Cleanest cities in the world →

Rankings are computed live from official monitoring data and update hourly. Indian cities use the national CPCB scale; world cities use the US EPA scale, so compare within each list. Open any city for its full report and 7-day trend.

Frequently asked questions

Which is the most polluted city in India right now?

Gurugram currently tops India's live ranking at AQI 449 (Severe).

Which is the most polluted city in the world today?

Among the world cities we track, Peshawar is highest at US AQI 196.

How often do the rankings update?

Every hour, from CPCB (India) and OpenAQ (world) monitoring stations. Cities without a fresh reading are excluded from the ranking rather than shown stale.