SmogRank / India / Uttar Pradesh / Hāpur
Hāpur, month by month
Hāpur has a measured daily mean on 463 days since 19 February 2025. Its worst month was November 2025, at 292 US AQI (216.9 µg/m³), 12th of 2,715 cities on that month's world ranking. Its cleanest was July 2025, at 76 US AQI (22.4 µg/m³).
Every month since 2025
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
Months without a mean, and why
7 months
| Month | Why |
|---|---|
| Oct 2026 | 3 of 11 days measured; a month needs 8. The others: 4 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | 17 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Feb 2026 | 16 of 28 days measured; a month needs 20. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Jan 2026 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 9 of 28 days measured; a month needs 20. The others: 1 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Hāpur's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| November 2025 | 292216.9 µg/m³ | 12thof 2,715 | – |
| December 2025 | 217142.1 µg/m³ | 26thof 3,006 | – |
| October 2025 | 17995.8 µg/m³ | 15thof 2,614 | India and Pakistan, October 2025 |
| April 2026 | 16169.6 µg/m³ | 25thof 2,941 | North-western India, 21 to 29 April 2026 North-western India, 19 April 2026and 1 more |
| March 2026 | 16169.1 µg/m³ | 29thof 2,971 | Uttar Pradesh and Haryana, India, March 2026 North-western India and Pakistan, March 2026 |
| March 2025 | 14854.6 µg/m³ | 64thof 2,862 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Hāpur's worst days
| Day | US AQI |
|---|---|
| 23 Nov 2025 | 481316.0 µg/m³ |
| 17 Nov 2025 | 435293.0 µg/m³ |
| 18 Nov 2025 | 433292.0 µg/m³ |
| 24 Nov 2025 | 396273.0 µg/m³ |
| 15 Nov 2025 | 386268.0 µg/m³ |
| 20 Nov 2025 | 378264.0 µg/m³ |
| 2 Dec 2025 | 366258.0 µg/m³ |
| 16 Nov 2025 | 354252.0 µg/m³ |
| 22 Nov 2025 | 348249.0 µg/m³ |
| 5 Dec 2025 | 340245.0 µg/m³ |
Daily means, the highest since 19 Feb 2025; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Hāpur, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/hapur/history (accessed 12 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
Hāpur now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 17:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).