SmogRank / World / India / Uttar Pradesh / September 2026

Most polluted cities in Uttar Pradesh, India, September 2026

21 cities in Uttar Pradesh, India ranked by their average PM2.5 over the 30 days. Worst: Noida at 52.1 µg/m³, #23 of 2,949 cities in the world. Cleanest: Prayagraj at 9.9. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Noida 83% 80%0

Every city in Uttar Pradesh, India ranked for September 2026, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.

1Noida
83%
2Hāpur
61%
3Dādri
59%
4Greater Noida
52%
5Muzaffarnagar
50%
6Loni
46%
7Ghāziābād
43%
8Bulandshahr
43%
9Meerut
38%
10Morādābād
37%
11Bāghpat
30%
12Jhānsi
29%
13Vrindāvan
20%
14Khurja
17%
15Lucknow
17%
16Kanpur
17%
17Agra
13%
18Bareilly
12%
19Varanasi
0%
20Fīrozābād
0%
21Prayagraj
0%

Good0–50

Moderate51–100

Sensitive groups101–150

Unhealthy151–200

Very unhealthy201–300

Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2026 · All cities in India, September 2026 · Uttar Pradesh now

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SmogRank, most polluted cities in Uttar Pradesh, India, PM2.5, September 2026, smogrank.com/in/region/uttar-pradesh/history/2026-09 (accessed 7 Oct 2026).

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