SmogRank / United States / North Carolina / Murraysville
Murraysville, month by month
Murraysville has a measured daily mean on 1,126 days since 1 January 2023. Its worst month was June 2023, at 58 US AQI (12.7 µg/m³), 504th of 1,603 cities on that month's world ranking. Its cleanest was September 2024, at 14 US AQI (2.5 µg/m³). 2024 averaged 28 US AQI (5.1 µg/m³), against 38 US AQI (6.9 µg/m³) in 2023.
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
9 months
| Month | Why |
|---|---|
| Feb 2026 | 12 of 28 days measured; a month needs 20. The others: 13 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours). |
| Jan 2026 | No day measured. The others: 31 with no readings from the monitor. |
| Dec 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Nov 2025 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Sep 2025 | 17 of 30 days measured; a month needs 21. The others: 12 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours). |
| Mar 2023 | 10 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 20 missing from OpenAQ's archive. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
| Jan 2023 | 21 of 31 days measured; a month needs 22. The others: 3 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours), 6 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Murraysville's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| June 2023 | 5812.7 µg/m³ | 504thof 1,603 | United States and Canada, June 2023 |
| March 2025 | 5410.6 µg/m³ | 1,490thof 2,862 | – |
| September 2026 | 5310.2 µg/m³ | 636thof 2,981 | – |
| August 2026 | 529.5 µg/m³ | 1,034thof 2,896 | – |
| February 2025 | 519.1 µg/m³ | 1,327thof 2,633 | – |
| July 2026 | 498.8 µg/m³ | 1,659thof 2,784 | – |
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.
Murraysville's worst days
| Day | US AQI | Episode |
|---|---|---|
| 25 Mar 2025 | 12143.8 µg/m³ | – |
| 16 Jun 2023 | 11641.4 µg/m³ | United States and Canada, June 2023 |
| 26 Mar 2025 | 11240.0 µg/m³ | – |
| 9 Oct 2026 | 9432.0 µg/m³ | – |
| 8 Oct 2026 | 8426.7 µg/m³ | – |
| 9 Jun 2023 | 8024.5 µg/m³ | – |
| 10 Jun 2023 | 7924.1 µg/m³ | – |
| 22 Mar 2026 | 7924.0 µg/m³ | – |
| 17 Jun 2023 | 7823.7 µg/m³ | United States and Canada, June 2023 |
| 26 Feb 2025 | 7823.7 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, Murraysville, 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/murraysville/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.
Murraysville 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).