SmogRank / United States / Missouri / Kearney
Kearney, month by month
Kearney has a measured daily mean on 1,292 days since 1 January 2023. Its worst month was April 2026, at 57 US AQI (12.2 µg/m³), 711th of 2,941 cities on that month's world ranking. Its cleanest was November 2024, at 20 US AQI (3.6 µg/m³). 2025 averaged 36 US AQI (6.5 µg/m³), against 29 US AQI (5.3 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
2 months
| Month | Why |
|---|---|
| Mar 2023 | 4 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive, 7 with under 18 hours of readings or readings that failed our checks. |
| 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.
Kearney's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| April 2026 | 5712.2 µg/m³ | 711thof 2,941 | – |
| September 2023 | 5611.9 µg/m³ | 335thof 2,176 | Northern United States and Canada, August and September 2023 |
| August 2023 | 5511.5 µg/m³ | 393rdof 1,980 | Northern United States and Canada, August and September 2023 |
| June 2023 | 519.3 µg/m³ | 904thof 1,603 | – |
| August 2025 | 519.1 µg/m³ | 1,452ndof 2,901 | North-eastern United States and Canada, 29 July to 9 August 2025 |
| July 2025 | 488.6 µg/m³ | 1,614thof 2,889 | North-eastern United States and Canada, 29 July to 9 August 2025 |
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.
Kearney's worst days
| Day | US AQI | Episode |
|---|---|---|
| 7 Sept 2023 | 12745.9 µg/m³ | Northern United States and Canada, August and September 2023 |
| 1 Aug 2025 | 12344.6 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 6 Sept 2023 | 10938.9 µg/m³ | Northern United States and Canada, August and September 2023 |
| 14 Mar 2025 | 10938.8 µg/m³ | United States and Mexico, March 2025 |
| 2 Aug 2025 | 9030.2 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 29 Aug 2023 | 8728.3 µg/m³ | Northern United States and Canada, August and September 2023 |
| 24 Aug 2023 | 8627.9 µg/m³ | – |
| 30 Aug 2023 | 8527.4 µg/m³ | Northern United States and Canada, August and September 2023 |
| 8 Sept 2023 | 8225.5 µg/m³ | Northern United States and Canada, August and September 2023 |
| 25 Aug 2023 | 7823.5 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, Kearney, 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/kearney-missouri/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.
Kearney now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 02:07 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).