Environment · 2024

Ozone O₃ (93.2nd percentile of daily maximum 8-hour means)

Ozone O₃ (93.2nd percentile of daily maximum 8-hour means): Breggia comes top with 147 µg/m³ and Sion comes last with 97 µg/m³. The median across 1,810 municipalities is 108 µg/m³. The ranking covers municipalities with at least 500 residents.

Podium and top 100

The row you point atNational medianHover over, tap or select a row with the keyboard to see where it stands on the national scale.
1Breggia147 µg/m³2Castel San Pietro146 µg/m³3Arogno142 µg/m³
#MunicipalityCantonOzone O₃ (93.2nd percentile of daily maximum 8-hour means)
1BreggiaTicino147 µg/m³
2Castel San PietroTicino146 µg/m³
3ArognoTicino142 µg/m³
4MendrisioTicino141 µg/m³
5ParadisoTicino139 µg/m³
6Val MaraTicino139 µg/m³
7PontresinaGrisons138 µg/m³
8ChiassoTicino138 µg/m³
9SamedanGrisons137 µg/m³
10BalernaTicino137 µg/m³
11NovazzanoTicino137 µg/m³
12StabioTicino136 µg/m³
13Sils im Engadin/SeglGrisons136 µg/m³
13Morbio InferioreTicino136 µg/m³
15VacalloTicino136 µg/m³
16Riva San VitaleTicino136 µg/m³
17MorcoteTicino135 µg/m³
17Alto MalcantoneTicino135 µg/m³
19ColdrerioTicino135 µg/m³
20BregagliaGrisons135 µg/m³
21LuganoTicino135 µg/m³
22BeverGrisons134 µg/m³
22Ponte CapriascaTicino134 µg/m³
24BissoneTicino134 µg/m³
24PuraTicino134 µg/m³
26ZuozGrisons134 µg/m³
27SilvaplanaGrisons134 µg/m³
28La Punt Chamues-chGrisons134 µg/m³
29MelideTicino134 µg/m³
30PoschiavoGrisons133 µg/m³
31Collina d'OroTicino133 µg/m³
32S-chanfGrisons133 µg/m³
33CapriascaTicino133 µg/m³
34CaslanoTicino132 µg/m³
35BrusioGrisons132 µg/m³
36Val MüstairGrisons132 µg/m³
37MagliasoTicino132 µg/m³
38SursesGrisons131 µg/m³
38VernateTicino131 µg/m³
40ZermattValais131 µg/m³
41Mezzovico-ViraTicino131 µg/m³
42ZernezGrisons131 µg/m³
43TresaTicino130 µg/m³
44Torricella-TaverneTicino130 µg/m³
45Saas-FeeValais130 µg/m³
46LemaTicino130 µg/m³
47MuzzanoTicino130 µg/m³
48SorengoTicino130 µg/m³
49CademarioTicino129 µg/m³
50AgnoTicino129 µg/m³
51Bergün FilisurGrisons129 µg/m³
52Celerina/SchlarignaGrisons129 µg/m³
53ScuolGrisons129 µg/m³
53BedanoTicino129 µg/m³
55RheinwaldGrisons129 µg/m³
55St. MoritzGrisons129 µg/m³
57MesoccoGrisons129 µg/m³
58SamnaunGrisons128 µg/m³
59TäschValais128 µg/m³
60Saas-GrundValais128 µg/m³
61ValsGrisons128 µg/m³
62CamaGrisons127 µg/m³
63Roveredo (GR)Grisons127 µg/m³
64DavosGrisons127 µg/m³
64ComanoTicino127 µg/m³
66OriglioTicino127 µg/m³
67MonteceneriTicino126 µg/m³
68BioggioTicino126 µg/m³
68EvolèneValais126 µg/m³
70MannoTicino126 µg/m³
71KlostersGrisons126 µg/m³
72MassagnoTicino126 µg/m³
72SavosaTicino126 µg/m³
72VeziaTicino126 µg/m³
75Lantsch/LenzGrisons126 µg/m³
75CadempinoTicino126 µg/m³
75CuregliaTicino126 µg/m³
75PorzaTicino126 µg/m³
79CanobbioTicino126 µg/m³
79GravesanoTicino126 µg/m³
79LamoneTicino126 µg/m³
82AndeerGrisons125 µg/m³
82LostalloGrisons125 µg/m³
84Cugnasco-GerraTicino125 µg/m³
85ArosaGrisons125 µg/m³
86ValsotGrisons125 µg/m³
86Val de BagnesValais125 µg/m³
88ObergomsValais125 µg/m³
89VerzascaTicino124 µg/m³
90TujetschGrisons124 µg/m³
90Arbedo-CastioneTicino124 µg/m³
92HérémenceValais124 µg/m³
92Turtmann-UnteremsValais124 µg/m³
94AnniviersValais124 µg/m³
94BaltschiederValais124 µg/m³
96BellinzonaTicino124 µg/m³
96GambarognoTicino124 µg/m³
98St. NiklausValais124 µg/m³
99AndermattUri123 µg/m³
99LeukerbadValais123 µg/m³

Bottom of the ranking

#MunicipalityCantonOzone O₃ (93.2nd percentile of daily maximum 8-hour means)
1795MartignyValais100 µg/m³
1797SpiezBern100 µg/m³
1797UetendorfBern100 µg/m³
1797GrimisuatValais100 µg/m³
1800VernayazValais100 µg/m³
1801RennazVaud100 µg/m³
1802Noble-ContréeValais100 µg/m³
1803Matten bei InterlakenBern99 µg/m³
1803ChippisValais99 µg/m³
1805LaldenValais99 µg/m³
1806VétrozValais98 µg/m³
1807InterlakenBern98 µg/m³
1808Saint-LéonardValais97 µg/m³
1809SierreValais97 µg/m³
1810SionValais97 µg/m³

Regions compared

Population-weighted averages for rates; totals for counts.

Other rankings on the same theme

Share of settlement and urban areasShare of residential areas (houses and apartment blocks)Share of industrial and commercial areasShare of transport surfaces (roads, rail, car parks)Share of recreational and green areasShare of agricultural landShare of alpine pastures and meadowsShare of forestSettlement area per inhabitantResidential area per inhabitantShare of the municipal area in a federal nature and landscape inventoryShare of the municipal area in the federal landscape inventory (BLN/IFP)Share of the municipal area in national mires and mire landscapesShare of the municipal area in national floodplainsShare of the municipal area in national dry meadows and pasturesShare of the municipal area in federal game reservesShare of the municipal area in a park of national importanceShare of organic farmsShare of utilised agricultural area farmed organicallyShare of open arable land in the utilised agricultural areaShare of permanent crops in the utilised agricultural areaCattleCattle per 100 ha of utilised agricultural areaSheepPigsPoultryParks (OpenStreetMap)Parks per 10,000 inhabitants (OpenStreetMap)Fine particles PM2.5 (annual mean)Nitrogen dioxide NO₂ (annual mean)Average altitude of the areaAverage slope of the terrainShare of the area with a slope above 15°Share of natural open land (heath, scrub, grassland, bare rock, glaciers)Share of wetlands (marshes, peat bogs)Share of water surfaces (rivers, lakes, reservoirs, lagoons)Sealed soil: average imperviousness densityShare of land area that is built-upBuilt-up surface per inhabitantIncrease in built-up surface since 1975Increase in built-up surface since 2000

Frequently asked questions

Which municipality ranks first for “Ozone O₃ (93.2nd percentile of daily maximum 8-hour means)”?

Breggia ranks first for “Ozone O₃ (93.2nd percentile of daily maximum 8-hour means)”, with 147 µg/m³.

What is the median for “Ozone O₃ (93.2nd percentile of daily maximum 8-hour means)”?

The median across the 1,810 ranked municipalities is 108 µg/m³.