SmogRank / Spain / Murcia / Cartagena

Cartagena, month by month

Cartagena, Murcia has a measured daily mean on 810 days since 1 January 2023. Its worst month was June 2025, at 63 US AQI (15.4 µg/m³), 411th of 2,508 cities on that month's world ranking. Its cleanest was November 2025, at 43 US AQI (7.8 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 200)121 days measured
Jan46#1,433Feb8 daysMarnoneAprnoneMay2 daysJun10 daysJul17 daysAug53#873Sep46#950Oct4 days
2024too few days for a mean (a year needs 257)240 days measured
Jan55#762Feb53#618Mar15 daysApr52#1,085May52#853Jun52#752Jul14 daysAug7 daysSepnoneOct9 daysNov62#404Dec46#1,275
2023too few days for a mean (a year needs 256)131 days measured
Jan59#292Feb55#586MarnoneAprnoneMaynoneJunnoneJulnoneAugnoneSep1 dayOct55#241Nov54#462Dec60#314
Each square is a month's mean PM2.5 in US AQI from Cartagena'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 Cartagena marked; each year, the year's.
Good0–50
Moderate51–100
Unhealthy for 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

19 months
MonthWhy
Oct 20264 of 12 days measured; a month needs 9. The others: 4 with no readings from the monitors, 4 with readings for part of the day (a day needs 18 hours).
Jul 202617 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks.
Jun 202610 of 30 days measured; a month needs 21. The others: 20 with under 18 hours of readings or readings that failed our checks.
May 20262 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks.
Apr 2026No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Mar 2026No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Feb 20268 of 28 days measured; a month needs 20. The others: 20 with under 18 hours of readings or readings that failed our checks.
Oct 20249 of 31 days measured; a month needs 22. The others: 22 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 20247 of 31 days measured; a month needs 22. The others: 24 with under 18 hours of readings or readings that failed our checks.
Jul 202414 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks.
Mar 202415 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks.
Sep 20231 of 30 days measured; a month needs 21. The others: 29 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 2023No day measured. The others: 1 missing from OpenAQ's archive, 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 2023No day measured. The others: 3 missing from OpenAQ's archive, 27 with under 18 hours of readings or readings that failed our checks.
Mar 2023No day measured. The others: 20 missing from OpenAQ's archive, 11 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.

Cartagena's worst months

MonthUS AQIDays measuredWorld rankEpisode
June 2025 6315.4 µg/m³21 of 30411thof 2,508North-eastern Spain, June 2025
November 2024 6215.1 µg/m³22 of 30404thof 2,624–
December 2023 6014.0 µg/m³31 of 31314thof 2,247Spain, France and 2 more countries, December 2023 to January 2024
January 2023 5913.5 µg/m³24 of 31292ndof 1,261–
August 2025 5913.3 µg/m³31 of 31523rdof 2,901–
February 2025 5511.5 µg/m³21 of 281,052ndof 2,633–

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.

Cartagena's worst days

DayUS AQIEpisode
14 Nov 2025 15763.5 µg/m³North-eastern Spain and Andorra, November 2025
20 Mar 2025 11842.4 µg/m³Murcia and Valencia, Spain, March 2025
25 Nov 2024 11440.6 µg/m³–
30 Dec 2023 10436.7 µg/m³Spain, France and 2 more countries, December 2023 to January 2024
31 Oct 2024 9934.7 µg/m³Northern Spain, October 2024
28 Dec 2023 9633.0 µg/m³Spain, France and 2 more countries, December 2023 to January 2024
29 Dec 2023 9331.9 µg/m³Spain, France and 2 more countries, December 2023 to January 2024
27 Jan 2024 9231.1 µg/m³Europe, 27 January to 2 February 2024
21 Mar 2025 8929.6 µg/m³–
14 Jun 2025 8829.2 µg/m³North-eastern Spain, 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, Cartagena, Murcia, Spain, 1 Jan 2023 – 6 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/cartagena/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.

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

Updated 2026-10-13 03:07 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).