Air pollutants Sion

Ozone (O₃)

ozone
µg/m³
18. May 97
19. May 45
20. May 81
21. May 89
22. May 109
23. May 94
24. May 101

data source: Nationales Beobachtungsnetz für Luftfremdstoffe (NABEL)

Particulate matter (PM₁₀)

particulate matter
µg/m³
18. May 15
19. May 9
20. May 6
21. May 7
22. May 11
23. May 14
24. May 13

Nitrogen dioxide (NO₂)

nitrogen dioxide
µg/m³
18. May 25
19. May 16
20. May 16
21. May 15
22. May 20
23. May 27
24. May 25

Weitere Messstationen

observation station distance
Lausanne 63 km
Payerne 73 km

air pollution observations