SmogRank / Slovakia / Žilina Region / Liptovský Mikuláš

Liptovský Mikuláš, month by month

Liptovský Mikuláš has a measured daily mean on 780 days since 11 January 2023. Its worst month was January 2025, at 86 US AQI (27.8 µg/m³), 118th of 2,474 cities on that month's world ranking. Its cleanest was September 2026, at 38 US AQI (6.9 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 200)198 days measured
JannoneFebnoneMar19 daysApr54#800May45#1,281Jun56#516Jul48#1,716Aug55#677Sep38#1,321Oct56#395
202558 for the year291 days measured552nd of 2,681 in the world
Jan86#118Feb73#509Mar60#1,050Apr49#1,508May41#1,506Jun55#966Jul52#1,361Aug54#1,044Sep41#1,562Oct20 daysNov20 daysDec18 days
2024too few days for a mean (a year needs 257)235 days measured
Jan3 daysFeb55#512Mar14 daysApr19 daysMay52#877Jun53#583Jul57#402Aug15 daysSepnoneOct13 daysNov67#306Dec72#252
2023too few days for a mean (a year needs 256)56 days measured
Jan7 daysFeb78#68Mar20 daysApr3 daysMaynoneJunnoneJul1 dayAugnoneSepnoneOctnoneNovnoneDecnone
Each square is a month's mean PM2.5 in US AQI from Liptovský Mikuláš's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Liptovský Mikuláš marked; each year, the year's. A dashed square is the running month, so far.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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

23 months
MonthWhy
Mar 202619 of 31 days measured; a month needs 22. The others: 12 with under 18 hours of readings or readings that failed our checks.
Feb 2026No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks.
Jan 2026No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Dec 202518 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks.
Nov 202520 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks.
Oct 202520 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks.
Oct 202413 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks.
Sep 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Aug 202415 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks.
Apr 202419 of 30 days measured; a month needs 21. The others: 11 with under 18 hours of readings or readings that failed our checks.
Mar 202414 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks.
Jan 20243 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks.
Dec 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 2023No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Oct 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Sep 2023No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Aug 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jul 20231 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks.
Jun 2023No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
May 2023No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 20233 of 30 days measured; a month needs 21. The others: 27 with under 18 hours of readings or readings that failed our checks.
Mar 202320 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks.
Jan 20237 of 31 days measured; a month needs 22. The others: 14 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.

Liptovský Mikuláš's worst months

MonthUS AQIDays measuredWorld rankEpisode
January 2025 8627.8 µg/m³24 of 31118thof 2,474Germany, France and 19 more countries, January 2025
Europe, 24 December 2024 to 3 January 2025
February 2023 7823.4 µg/m³25 of 2868thof 1,129Europe, 6 to 25 February 2023
February 2025 7320.7 µg/m³24 of 28509thof 2,633Europe, 14 February to 1 March 2025
December 2024 7220.4 µg/m³26 of 31252ndof 2,616Europe, 24 December 2024 to 3 January 2025
November 2024 6717.6 µg/m³27 of 30306thof 2,624Europe, November 2024
March 2025 6013.8 µg/m³25 of 311,050thof 2,862Europe, 14 February to 1 March 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.

Liptovský Mikuláš's worst days

DayUS AQIEpisode
21 Jan 2025 18299.2 µg/m³Germany, France and 19 more countries, January 2025
22 Jan 2025 17589.9 µg/m³Germany, France and 19 more countries, January 2025
1 Jan 2025 16676.6 µg/m³Europe, 24 December 2024 to 3 January 2025
17 Feb 2023 16271.9 µg/m³Europe, 6 to 25 February 2023
8 Feb 2023 15561.4 µg/m³Europe, 6 to 25 February 2023
31 Dec 2024 15155.7 µg/m³Europe, 24 December 2024 to 3 January 2025
9 Feb 2023 14653.9 µg/m³Europe, 6 to 25 February 2023
16 Feb 2023 14453.1 µg/m³Europe, 6 to 25 February 2023
10 Feb 2023 14252.2 µg/m³Europe, 6 to 25 February 2023
29 Dec 2024 13348.3 µg/m³Europe, 24 December 2024 to 3 January 2025

Daily means, the highest since 11 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, Liptovský Mikuláš, Slovakia, 11 Jan 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/sk/liptovsky-mikulas/history (accessed 13 Oct 2026).

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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.

Liptovský Mikuláš now: the last 24 hours, its ranks today and the last 12 months day by day.

Updated 2026-10-13 00:07 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).