SmogRank / India / Uttar Pradesh / Meerut
Meerut, month by month
Meerut has a measured daily mean on 551 days since 19 February 2025. Its worst month was November 2025, at 260 US AQI (184.9 µg/m³), 16th of 2,715 cities on that month's world ranking. Its cleanest was July 2025, at 67 US AQI (17.9 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
3 months
| Month | Why |
|---|---|
| Oct 2026 | 6 of 12 days measured; a month needs 9. The others: 5 with no readings from the monitors, 1 with readings for part of the day (a day needs 18 hours). |
| Jan 2026 | 21 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 10 of 28 days measured; a month needs 20. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Meerut's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| November 2025 | 260184.9 µg/m³ | 16thof 2,715 | North-western India, November 2025 |
| December 2025 | 237161.5 µg/m³ | 17thof 3,006 | – |
| October 2025 | 17792.5 µg/m³ | 21stof 2,614 | India and Pakistan, October 2025 |
| February 2026 | 16676.7 µg/m³ | 29thof 2,866 | Uttar Pradesh, Haryana and Uttarakhand, India, February 2026 |
| March 2026 | 14954.9 µg/m³ | 64thof 2,971 | Uttar Pradesh and Haryana, India, March 2026 North-western India and Pakistan, March 2026 |
| April 2025 | 13549.3 µg/m³ | 42ndof 2,951 | – |
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.
Meerut's worst days
| Day | US AQI | Episode |
|---|---|---|
| 2 Nov 2025 | 414282.0 µg/m³ | – |
| 18 Nov 2025 | 391270.5 µg/m³ | North-western India, November 2025 |
| 17 Nov 2025 | 378264.0 µg/m³ | – |
| 12 Dec 2025 | 370260.0 µg/m³ | – |
| 14 Dec 2025 | 360255.0 µg/m³ | – |
| 21 Nov 2025 | 357253.5 µg/m³ | North-western India, November 2025 |
| 9 Nov 2025 | 350250.0 µg/m³ | – |
| 20 Nov 2025 | 337243.5 µg/m³ | North-western India, November 2025 |
| 15 Nov 2025 | 328239.0 µg/m³ | – |
| 22 Nov 2025 | 324237.0 µg/m³ | North-western India, November 2025 |
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, Meerut, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/meerut/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.
Meerut now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 23:07 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).