Sion
| andere naam | Sitten |
| Land |
 Zwitserland
|
| canton | Kanton Wallis |
| Hoogte | 482 meter boven NAP |
| Coördinaten | 46° 13.2' N 7° 19.8' O |
Schadelijke stoffen in de lucht Sion
Ozone (O₃)
| ozone | |
|---|---|
| µg/m³ | |
| 22 feb. | 55 |
| 23 feb. | 46 |
| 24 feb. | 33 |
| 25 feb. | 52 |
| 26 feb. | 70 |
| 27 feb. | 51 |
| 28 feb. | 7 |
Gegevensbron: Nationales Beobachtungsnetz für Luftfremdstoffe (NABEL)
Particulate matter (PM₁₀)
| particulate matter | |
|---|---|
| µg/m³ | |
| 22 feb. | 24 |
| 23 feb. | 59 |
| 24 feb. | 85 |
| 25 feb. | 69 |
| 26 feb. | 38 |
| 27 feb. | 50 |
| 28 feb. | 31 |
Nitrogen dioxide (NO₂)
| nitrogen dioxide | |
|---|---|
| µg/m³ | |
| 22 feb. | 43 |
| 23 feb. | 43 |
| 24 feb. | 46 |
| 25 feb. | 44 |
| 26 feb. | 43 |
| 27 feb. | 27 |
| 28 feb. | 23 |