SmogRank / United States / Indiana / Muncie
Muncie, month by month
Muncie has a measured daily mean on 979 days since 16 January 2024. Its worst month was July 2026, at 60 US AQI (14.0 µg/m³), 596th of 2,784 cities on that month's world ranking. Its cleanest was May 2026, at 29 US AQI (5.3 µg/m³). 2025 averaged 46 US AQI (8.2 µg/m³), against 42 US AQI (7.6 µg/m³) in 2024.
Every month since 2024
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
1 month
| Month | Why |
|---|---|
| Jan 2024 | 13 of 31 days measured; a month needs 22. The others: 3 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.
Muncie's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2026 | 6014.0 µg/m³ | 596thof 2,784 | Northern United States and Canada, July 2026 |
| June 2025 | 5813.1 µg/m³ | 647thof 2,508 | Northern United States and Canada, June 2025 Northern United States and Canada, May and June 2025 |
| July 2025 | 5611.9 µg/m³ | 859thof 2,889 | North-eastern United States and Canada, 29 July to 9 August 2025 North-eastern United States, July 2025 |
| February 2026 | 5410.5 µg/m³ | 1,290thof 2,866 | – |
| February 2024 | 529.9 µg/m³ | 669thof 2,486 | – |
| December 2025 | 529.7 µg/m³ | 1,404thof 3,006 | – |
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.
Muncie's worst days
| Day | US AQI | Episode |
|---|---|---|
| 19 Jul 2026 | 11039.2 µg/m³ | Northern United States and Canada, July 2026 |
| 20 Jul 2026 | 10135.7 µg/m³ | Northern United States and Canada, July 2026 |
| 1 Aug 2025 | 9934.6 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 17 Jul 2026 | 9331.9 µg/m³ | Northern United States and Canada, July 2026 |
| 5 Jul 2025 | 9030.2 µg/m³ | North-eastern United States, July 2025 |
| 7 Jun 2025 | 8829.1 µg/m³ | Northern United States and Canada, May and June 2025 |
| 12 Jun 2025 | 8527.2 µg/m³ | Northern United States and Canada, June 2025 |
| 8 Jun 2025 | 8225.7 µg/m³ | Northern United States and Canada, May and June 2025 |
| 4 Jul 2025 | 7924.3 µg/m³ | North-eastern United States, July 2025 |
| 1 Jul 2026 | 7923.9 µg/m³ | – |
Daily means, the highest since 16 Jan 2024; 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, Muncie, United States, 16 Jan 2024 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/muncie/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.
Muncie now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 19:07 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).