SmogRank / United States / Tennessee / Dyersburg
Dyersburg, month by month
Dyersburg has a measured daily mean on 1,335 days since 1 January 2023. Its worst month was June 2023, at 58 US AQI (12.8 µg/m³), 496th of 1,603 cities on that month's world ranking. Its cleanest was October 2025, at 25 US AQI (4.5 µg/m³). 2025 averaged 38 US AQI (6.9 µg/m³), against 37 US AQI (6.6 µg/m³) in 2024.
Every month since 2023
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
Dyersburg's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| June 2023 | 5812.8 µg/m³ | 496thof 1,603 | – |
| July 2023 | 529.9 µg/m³ | 674thof 1,432 | – |
| July 2025 | 529.6 µg/m³ | 1,361stof 2,889 | – |
| August 2024 | 529.4 µg/m³ | 744thof 2,010 | Southern and eastern United States and Mexico, July and August 2024 |
| June 2025 | 529.4 µg/m³ | 1,481stof 2,508 | – |
| May 2023 | 498.9 µg/m³ | 683rdof 1,600 | – |
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.
Dyersburg's worst days
| Day | US AQI | Episode |
|---|---|---|
| 1 Aug 2024 | 9130.6 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 5 Oct 2023 | 8125.4 µg/m³ | South-eastern United States, October 2023 |
| 7 Sept 2023 | 8024.8 µg/m³ | – |
| 16 Jul 2023 | 7924.0 µg/m³ | – |
| 4 Oct 2023 | 7220.5 µg/m³ | South-eastern United States, October 2023 |
| 15 Mar 2025 | 7220.4 µg/m³ | – |
| 7 Jun 2023 | 7019.3 µg/m³ | – |
| 25 Aug 2023 | 7019.3 µg/m³ | – |
| 5 Jun 2023 | 7019.1 µg/m³ | – |
| 9 Jun 2023 | 7019.1 µg/m³ | – |
Daily means, the highest since 1 Jan 2023; 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, Dyersburg, United States, 1 Jan 2023 – 12 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/dyersburg/history (accessed 13 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.
Dyersburg now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 05:07 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).