SmogRank / India / Tripura / Agartala
Agartala, month by month
Agartala has a measured daily mean on 465 days since 19 February 2025. Its worst month was February 2026, at 153 US AQI (58.6 µg/m³), 71st of 2,866 cities on that month's world ranking. Its cleanest was May 2025, at 46 US AQI (8.2 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 | 5 of 12 days measured; a month needs 9. The others: 5 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Aug 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. |
| Jun 2026 | 19 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Mar 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. |
| Jan 2026 | 9 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Aug 2025 | 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 | 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.
Agartala's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2026 | 15358.6 µg/m³ | 71stof 2,866 | – |
| December 2025 | 12645.7 µg/m³ | 229thof 3,006 | – |
| November 2025 | 12444.7 µg/m³ | 190thof 2,715 | – |
| April 2026 | 10938.7 µg/m³ | 143rdof 2,941 | – |
| May 2026 | 8728.6 µg/m³ | 191stof 2,874 | – |
| September 2026 | 8728.2 µg/m³ | 143rdof 2,981 | Eastern India, 28 September to 1 October 2026 North-eastern India and Bhutan, September 2026 |
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.
Agartala's worst days
| Day | US AQI |
|---|---|
| 25 Feb 2026 | 245170.0 µg/m³ |
| 5 Dec 2025 | 210135.0 µg/m³ |
| 6 Dec 2025 | 199124.0 µg/m³ |
| 29 Nov 2025 | 195118.0 µg/m³ |
| 26 Feb 2026 | 193116.0 µg/m³ |
| 4 Dec 2025 | 193115.0 µg/m³ |
| 4 Mar 2026 | 190111.0 µg/m³ |
| 24 Feb 2026 | 189109.0 µg/m³ |
| 28 Nov 2025 | 187107.0 µg/m³ |
| 27 Feb 2026 | 186106.0 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, Agartala, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/agartala/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.
Agartala now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).