SmogRank / United States / Louisiana / Shreveport
Shreveport, month by month
Shreveport has a measured daily mean on 1,249 days since 1 January 2023. Its worst month was August 2024, at 63 US AQI (15.7 µg/m³), 159th of 2,010 cities on that month's world ranking. Its cleanest was February 2025, at 21 US AQI (3.8 µg/m³). 2025 averaged 36 US AQI (6.4 µg/m³), against 54 US AQI (10.6 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
Months without a mean, and why
5 months
| Month | Why |
|---|---|
| Dec 2024 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 11 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 19 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 20 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 2 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive, 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.
Shreveport's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| August 2024 | 6315.7 µg/m³ | 159thof 2,010 | Southern and eastern United States and Mexico, July and August 2024 |
| August 2023 | 6215.2 µg/m³ | 191stof 1,980 | – |
| July 2024 | 6114.4 µg/m³ | 205thof 2,566 | Southern and eastern United States and Mexico, July and August 2024 |
| July 2026 | 6114.4 µg/m³ | 560thof 2,784 | – |
| July 2023 | 6014.0 µg/m³ | 204thof 1,432 | – |
| September 2023 | 6013.7 µg/m³ | 227thof 2,176 | – |
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.
Shreveport's worst days
| Day | US AQI | Episode |
|---|---|---|
| 7 May 2026 | 15459.5 µg/m³ | – |
| 1 Aug 2024 | 11239.9 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 21 Jul 2026 | 11039.3 µg/m³ | – |
| 31 Jul 2024 | 10436.7 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 25 Aug 2023 | 9834.5 µg/m³ | – |
| 25 May 2024 | 8828.8 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 26 May 2024 | 8728.4 µg/m³ | Southern United States and Mexico, 19 to 28 May 2024 |
| 14 Aug 2026 | 8628.1 µg/m³ | – |
| 2 Aug 2024 | 8527.3 µg/m³ | Southern and eastern United States and Mexico, July and August 2024 |
| 15 Jun 2023 | 8527.1 µg/m³ | Southern United States and Mexico, June 2023 |
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, Shreveport, United States, 1 Jan 2023 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/shreveport/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.
Shreveport 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).