SmogRank / United States / Nebraska / Lincoln
Lincoln, month by month
Lincoln has a measured daily mean on 1,183 days since 1 January 2023. Its worst month was July 2026, at 57 US AQI (12.1 µg/m³), 884th of 2,784 cities on that month's world ranking. Its cleanest was November 2024, at 20 US AQI (3.6 µg/m³). 2025 averaged 33 US AQI (6.0 µg/m³), against 31 US AQI (5.6 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 |
|---|---|
| Jan 2026 | 21 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 18 of 30 days measured; a month needs 21. The others: 12 with under 18 hours of readings or readings that failed our checks. |
| Sep 2023 | 17 of 30 days measured; a month needs 21. The others: 13 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 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Lincoln's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2026 | 5712.1 µg/m³ | 884thof 2,784 | Northern United States, July 2026 |
| July 2023 | 529.5 µg/m³ | 714thof 1,432 | United States and Canada, July 2023 |
| June 2023 | 519.2 µg/m³ | 922ndof 1,603 | – |
| June 2025 | 509.0 µg/m³ | 1,601stof 2,508 | Northern United States and Canada, May and June 2025 |
| August 2026 | 509.0 µg/m³ | 1,181stof 2,896 | – |
| May 2023 | 498.9 µg/m³ | 683rdof 1,600 | Northern United States and Canada, May 2023 |
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.
Lincoln's worst days
| Day | US AQI | Episode |
|---|---|---|
| 6 Sept 2023 | 16170.1 µg/m³ | Northern United States and Canada, August and September 2023 |
| 4 Jul 2026 | 15865.7 µg/m³ | Northern United States, July 2026 |
| 7 Sept 2023 | 13649.9 µg/m³ | Northern United States and Canada, August and September 2023 |
| 4 Jul 2024 | 12946.8 µg/m³ | – |
| 7 Apr 2023 | 10336.3 µg/m³ | – |
| 17 Sept 2023 | 10035.2 µg/m³ | Northern United States, September 2023 |
| 18 May 2023 | 8929.3 µg/m³ | Northern United States and Canada, May 2023 |
| 5 Jul 2026 | 8829.1 µg/m³ | Northern United States, July 2026 |
| 2 Aug 2025 | 8527.3 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 1 Jun 2025 | 8125.4 µg/m³ | Northern United States and Canada, May and June 2025 |
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, Lincoln, 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/lincoln/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.
Lincoln now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 23:07 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).