SmogRank / France / Pays de la Loire / Donges

Donges, month by month

Donges has a measured daily mean on 402 days since 29 January 2023. Its worst month was January 2024, at 57 US AQI (12.1 µg/m³), 683rd of 2,385 cities on that month's world ranking. Its cleanest was July 2023, at 28 US AQI (5.1 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 200)28 days measured
Jan4 daysFebnoneMarnoneAprnoneMay3 daysJun2 daysJul5 daysAug1 daySep6 daysOct7 days
2025too few days for a mean (a year needs 256)1 day measured
Jan1 dayFebnoneMarnoneAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOctnoneNovnoneDecnone
2024too few days for a mean (a year needs 257)126 days measured
Jan57#683Feb37#1,575Mar15 daysApr31#1,799May30#2,178JunnoneJulnoneAugnoneSepnoneOctnoneNovnoneDecnone
2023too few days for a mean (a year needs 256)247 days measured
Jan1 dayFeb2 daysMar11 daysApr44#823May44#936Jun48#1,008Jul28#1,216Aug15 daysSep20 daysOct32#1,558Nov49#918Dec49#980
Each square is a month's mean PM2.5 in US AQI from Donges'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 Donges marked; each year, the year's.
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

35 months
MonthWhy
Oct 20267 of 12 days measured; a month needs 9. The others: 2 with no readings from the monitors, 2 with readings for part of the day (a day needs 18 hours), 1 with under 18 hours of readings or readings that failed our checks.
Sep 20266 of 30 days measured; a month needs 21. The others: 24 with readings for part of the day (a day needs 18 hours).
Aug 20261 of 31 days measured; a month needs 22. The others: 30 with readings for part of the day (a day needs 18 hours).
Jul 20265 of 31 days measured; a month needs 22. The others: 26 with readings for part of the day (a day needs 18 hours).
Jun 20262 of 30 days measured; a month needs 21. The others: 7 with no readings from the monitors, 21 with readings for part of the day (a day needs 18 hours).
May 20263 of 31 days measured; a month needs 22. The others: 28 with readings for part of the day (a day needs 18 hours).
Apr 2026No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Mar 2026No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Feb 2026No day measured. The others: 28 with readings for part of the day (a day needs 18 hours).
Jan 20264 of 31 days measured; a month needs 22. The others: 27 with readings for part of the day (a day needs 18 hours).
Dec 2025No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Nov 2025No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Oct 2025No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Sep 2025No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Aug 2025No day measured. The others: 1 with no readings from the monitors, 30 with readings for part of the day (a day needs 18 hours).
Jul 2025No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jun 2025No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
May 2025No day measured. The others: 1 with no readings from the monitors, 30 with readings for part of the day (a day needs 18 hours).
Apr 2025No day measured. The others: 1 with no readings from the monitors, 29 with readings for part of the day (a day needs 18 hours).
Mar 2025No day measured. The others: 1 with no readings from the monitors, 30 with readings for part of the day (a day needs 18 hours).
Feb 2025No day measured. The others: 28 with readings for part of the day (a day needs 18 hours).
Jan 20251 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitors, 28 with readings for part of the day (a day needs 18 hours).
Dec 2024No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Nov 2024No day measured. The others: 30 with readings for part of the day (a day needs 18 hours).
Oct 2024No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Sep 2024No day measured. The others: 3 with no readings from the monitors, 27 with readings for part of the day (a day needs 18 hours).
Aug 2024No day measured. The others: 2 with no readings from the monitors, 29 with readings for part of the day (a day needs 18 hours).
Jul 2024No day measured. The others: 31 with readings for part of the day (a day needs 18 hours).
Jun 2024No day measured. The others: 1 with no readings from the monitors, 29 with readings for part of the day (a day needs 18 hours).
Mar 202415 of 31 days measured; a month needs 22. The others: 10 with no readings from the monitors, 6 with readings for part of the day (a day needs 18 hours).
Sep 202320 of 30 days measured; a month needs 21. The others: 10 with readings for part of the day (a day needs 18 hours).
Aug 202315 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitors, 14 with readings for part of the day (a day needs 18 hours).
Mar 202311 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive.
Feb 20232 of 28 days measured; a month needs 20. The others: 1 with readings for part of the day (a day needs 18 hours), 25 missing from OpenAQ's archive.
Jan 20231 of 31 days measured; a month needs 22. The others: 2 with readings for part of the day (a day needs 18 hours).

A day counts once 18 hours of it are measured; a month needs 70% of its days.

Donges's worst months

MonthUS AQIDays measuredWorld rankEpisode
January 2024 5712.1 µg/m³29 of 31683rdof 2,385Europe, 8 to 27 January 2024
Western Europe, January 2024
December 2023 498.9 µg/m³31 of 31980thof 2,247–
November 2023 498.8 µg/m³30 of 30918thof 2,243–
June 2023 488.6 µg/m³30 of 301,008thof 1,603–
April 2023 448.0 µg/m³27 of 30823rdof 1,622–
May 2023 448.0 µg/m³31 of 31936thof 1,600–

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.

Donges's worst days

DayUS AQIEpisode
14 Feb 2023 9633.1 µg/m³Europe, 6 to 25 February 2023
14 Jan 2024 9030.1 µg/m³Europe, 8 to 27 January 2024
Western Europe, January 2024
10 Jan 2024 8426.8 µg/m³Europe, 8 to 27 January 2024
11 Jan 2024 8125.4 µg/m³Europe, 8 to 27 January 2024
18 Apr 2023 7622.7 µg/m³–
15 Feb 2023 7622.3 µg/m³Europe, 6 to 25 February 2023
2 Dec 2023 7522.2 µg/m³–
13 Jan 2024 7522.2 µg/m³Europe, 8 to 27 January 2024
29 Nov 2023 6918.8 µg/m³–
26 Nov 2023 6818.1 µg/m³–

Daily means, the highest since 29 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, Donges, France, 29 Jan 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/fr/donges/history (accessed 12 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.

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

Updated 2026-10-12 22:07 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).