SmogRank / Episodes / Spain

North-eastern Spain and France, February 2024

For 1 day, on 2 February 2024, 9 cities in Spain and France had PM2.5 at least twice their usual for the time of year. The worst reading was Lleida, Catalonia, Spain: 38.0 µg/m³ on 2 February, about 2.3× its usual 16.8.

No cause namedWe have no fire or smoke records for these days, so we only say what the measurements show.
Cities reached9in 2 countries
Days12 February 2024
Worst day2 February9 cities counted
Furthest above usual3.0×Puertollano

Day by day

2 February 9 cities at twice their usual or more
OndaCastelló de la PlanaBenicàssimBurrianaZaragozaSaguntoGrao de MurviedroValenciaTudelaSalouOntinyentTarragonaVillenaAlbaceteCalahorraEldaAlicanteVilanova i la GeltrúLogroñoAzuqueca de HenaresTarbesTorreviejaAlcalá de HenaresMurciaTorrejón de Ardozles EscaldesTolosaAlgeteHernaniOriaCosladaAngletDonostia / San SebastiánGasteiz / VitoriaMollet del VallèsZarautzMadridValdemoroBarrio de PeralFuenlabradaDurangoLorcaManlleuMóstolesAmorebietaCollado-VillalbaLaudio / LlodioBermeoBilbaoPalmaToledoBurgosMarratxíSanturtziGetxoToulouseBailénPerpignanPalenciaCastresValladolidJaénMedina del CampoCiutadellaSalamancaLeónMontpellierLunelSamaGijónOviedoAvilésArlesMolina de SeguraLleidaBarcelonaGironaPuertollanoCuencaPauLourdesCiudad Real
30 Jan311 Feb2345
Every measured city in the area, coloured by its PM2.5 that day; a dark ring marks a city at twice its usual or more. Bars: cities counted each day, coloured by their median level. Choose a day or press play; without JavaScript, the days link to that day's world ranking.

How it spread

PuertollanoPuertollano, 30 January: 47.7 µg/m³, 4.3× usualPuertollano, 31 January: 45.3 µg/m³, 4.1× usualPuertollano, 1 February: 23.3 µg/m³, 2.1× usualPuertollano, 2 February: 26.9 µg/m³, 2.4× usualPuertollano, 3 February: 29.0 µg/m³, 2.6× usualPuertollano, 4 February: 25.3 µg/m³, 2.3× usualPuertollano, 5 February: 22.3 µg/m³, 2.0× usualLourdesLourdes, 30 January: 24.4 µg/m³, 2.8× usualLourdes, 31 January: 30.7 µg/m³, 3.6× usualLourdes, 1 February: 33.6 µg/m³, 3.9× usualLourdes, 2 February: 25.6 µg/m³, 3.0× usualLourdes, 3 February: 27.7 µg/m³, 3.2× usualLourdes, 4 February: 25.5 µg/m³, 3.0× usualLourdes, 5 February: 21.8 µg/m³, 2.5× usualPauPau, 30 January: 18.1 µg/m³, 2.0× usualPau, 31 January: 27.8 µg/m³, 3.0× usualPau, 1 February: 36.7 µg/m³, 4.0× usualPau, 2 February: 25.5 µg/m³, 2.8× usualPau, 3 February: 16.3 µg/m³, 1.8× usualPau, 4 February: 23.2 µg/m³, 2.5× usualPau, 5 February: 18.4 µg/m³, 2.0× usualBarcelonaBarcelona, 30 January: 11.5 µg/m³, 1.0× usualBarcelona, 31 January: 16.0 µg/m³, 1.4× usualBarcelona, 1 February: 26.7 µg/m³, 2.4× usualBarcelona, 2 February: 26.7 µg/m³, 2.4× usualBarcelona, 3 February: 20.2 µg/m³, 1.8× usualBarcelona, 4 February: 19.8 µg/m³, 1.8× usualBarcelona, 5 February: 22.5 µg/m³, 2.0× usualCuencaCuenca, 30 January: 12.2 µg/m³, 1.1× usualCuenca, 31 January: 15.9 µg/m³, 1.4× usualCuenca, 1 February: 26.2 µg/m³, 2.3× usualCuenca, 2 February: 27.5 µg/m³, 2.5× usualCuenca, 3 February: 19.0 µg/m³, 1.7× usualCuenca, 4 February: 17.6 µg/m³, 1.6× usualCuenca, 5 February: 20.8 µg/m³, 1.9× usualLleidaLleida, 30 January: 26.2 µg/m³, 1.6× usualLleida, 31 January: 32.7 µg/m³, 1.9× usualLleida, 1 February: no readingLleida, 2 February: 38.0 µg/m³, 2.3× usualLleida, 3 February: 29.5 µg/m³, 1.8× usualLleida, 4 February: 24.6 µg/m³, 1.5× usualLleida, 5 February: 21.3 µg/m³, 1.3× usualMolina de SeguraMolina de Segura, 30 January: 19.5 µg/m³, 1.4× usualMolina de Segura, 31 January: 18.0 µg/m³, 1.3× usualMolina de Segura, 1 February: 20.8 µg/m³, 1.5× usualMolina de Segura, 2 February: 29.6 µg/m³, 2.2× usualMolina de Segura, 3 February: 28.6 µg/m³, 2.1× usualMolina de Segura, 4 February: 21.9 µg/m³, 1.6× usualMolina de Segura, 5 February: 21.6 µg/m³, 1.6× usualCiudad RealCiudad Real, 30 January: 15.1 µg/m³, 1.8× usualCiudad Real, 31 January: 13.7 µg/m³, 1.6× usualCiudad Real, 1 February: 19.9 µg/m³, 2.3× usualCiudad Real, 2 February: 26.0 µg/m³, 3.0× usualCiudad Real, 3 February: 18.1 µg/m³, 2.1× usualCiudad Real, 4 February: 21.5 µg/m³, 2.5× usualCiudad Real, 5 February: 17.4 µg/m³, 2.0× usualGironaGirona, 30 January: 16.0 µg/m³, 1.6× usualGirona, 31 January: 18.2 µg/m³, 1.8× usualGirona, 1 February: no readingGirona, 2 February: 25.2 µg/m³, 2.4× usualGirona, 3 February: 26.6 µg/m³, 2.6× usualGirona, 4 February: 17.3 µg/m³, 1.7× usualGirona, 5 February: 18.2 µg/m³, 1.8× usual30 Jan311 Feb2345
Every counted city, in the order the episode reached them, 3 days before to 3 after. Each square is a day, coloured by that day's PM2.5; outlined: at twice the city's usual or more.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

Every city it reached

CityDaysHighestUsualAbove usual
PuertollanoCastille-La Mancha, Spain1 47.730 January11.04.3×
PauNew Aquitaine, France1 36.71 February9.24.0×
LourdesOccitanie, France1 33.61 February8.63.9×
Ciudad RealCastille-La Mancha, Spain1 26.02 February8.63.0×
GironaCatalonia, Spain1 26.63 February10.32.6×
CuencaCastille-La Mancha, Spain1 27.52 February11.22.5×
BarcelonaCatalonia, Spain1 26.71 February11.32.4×
LleidaCatalonia, Spain1 38.02 February16.82.3×
Molina de SeguraMurcia, Spain1 29.62 February13.62.2×

Daily means in µg/m³. Usual: the city's median for this time of year (its days within 21 days of the date, every year, leaving out the week around it). Above usual: its highest day against that.

Against other episodes in Spain and France

Number 49 of 58 episodes in Spain and France since our records began, by cities reached.

Bars: cities reached; colour: the level of the episode's highest daily reading. All 58.

Use this page

SmogRank, North-eastern Spain and France, February 2024: 9 cities with PM2.5 at twice their usual or more, 2 February 2024, smogrank.com/episodes/2024-02-north-eastern-spain-and-france (accessed 3 October 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

An episode is a run of days when many cities close to each other (four or more within 350 km on a day, 8 or more in all) each had a daily PM2.5 mean of at least 25 µg/m³ and at least 2 times their usual for that time of year. Found in our own measurements, not picked by hand. How we find episodes. Values are each city's daily mean of its own monitors; causes are the usual kinds for a pattern like this, not a confirmed source.