SmogRank / India / Maharashtra / Chānda
Chānda, month by month
Chānda has a measured daily mean on 455 days since 19 February 2025. Its worst month was March 2025, at 159 US AQI (67.5 µg/m³), 31st of 2,862 cities on that month's world ranking. Its cleanest was September 2025, at 54 US AQI (10.8 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
6 months
| Month | Why |
|---|---|
| Oct 2026 | 6 of 12 days measured; a month needs 9. The others: 4 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours), 1 with under 18 hours of readings or readings that failed our checks. |
| Jan 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 2025 | 13 of 30 days measured; a month needs 21. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| May 2025 | 16 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks. |
| Apr 2025 | 18 of 30 days measured; a month needs 21. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 8 of 28 days measured; a month needs 20. The others: 2 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.
Chānda's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| March 2025 | 15967.5 µg/m³ | 31stof 2,862 | – |
| April 2026 | 15357.8 µg/m³ | 51stof 2,941 | – |
| May 2026 | 12846.3 µg/m³ | 75thof 2,874 | Northern India, May 2026 |
| March 2026 | 12344.4 µg/m³ | 117thof 2,971 | – |
| February 2026 | 11240.0 µg/m³ | 151stof 2,866 | – |
| November 2025 | 10738.0 µg/m³ | 220thof 2,715 | North-western India, November 2025 |
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.
Chānda's worst days
| Day | US AQI | Episode |
|---|---|---|
| 26 Mar 2025 | 192114.0 µg/m³ | – |
| 31 Mar 2025 | 17894.3 µg/m³ | – |
| 28 Mar 2025 | 17893.7 µg/m³ | – |
| 30 Mar 2025 | 17589.5 µg/m³ | – |
| 11 Mar 2025 | 17488.7 µg/m³ | – |
| 3 Mar 2025 | 17488.0 µg/m³ | – |
| 9 Mar 2025 | 17386.4 µg/m³ | – |
| 6 Oct 2026 | 17286.0 µg/m³ | India, October 2026 |
| 7 Oct 2026 | 17285.8 µg/m³ | India, October 2026 |
| 27 Mar 2025 | 16981.5 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, Chānda, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/chanda/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.
Chānda now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 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).