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Most Polluted Cities in 2023

12 months of data · Source: cpcb

This archive captures the most polluted cities in India for 2023, compiled from 12 months of daily CPCB station readings across 20 cities. Purnia, Bihar was India's most polluted city of the year with an annual average AQI of 368. The national average AQI across tracked cities was 114.

View Cleanest Cities in 2023

Monthly Summary

MonthAvg AQI
January169
February142
March114
April113
May103
June88
July65
August76
September70
October112
November165
December153

Most Polluted Cities in 2023

#CityAvg AQI
1PurniaBihar368
2DarbhangaBihar365
3DholpurRajasthan362
4BhagalpurBihar342
5BathindaPunjab318
6RohtakHaryana315
7DelhiDelhi313
8BallabgarhHaryana308
9SaharsaBihar303
10BettiahBihar301
11KatiharBihar287
12FaridabadHaryana283
13BahadurgarhHaryana276
14BegusaraiBihar266
15MuzaffarnagarUttar Pradesh264
16ChapraBihar256
17SamastipurBihar253
18DindigulTamil Nadu249
19ArariaBihar242
20ByrnihatAssam241