Pollution in Sion, Switzerland

We need more contributors for Sion to increase our data quality.

Also, consider looking into aggregate data we have for Pollution in Switzerland

Air pollution data from World Health Organization
PM₁₀	15
PM_2.5	9
PM₁₀ Pollution Level:	Low

Air Pollution	14.29	Very Low
Drinking Water Pollution and Inaccessibility	8.33	Very Low
Dissatisfaction with Garbage Disposal	25.00	Low
Dirty and Untidy	16.67	Very Low
Noise and Light Pollution	50.00	Moderate
Water Pollution	20.00	Low
Dissatisfaction with Spending Time in the City	10.00	Very Low
Dissatisfaction with Green and Parks in the City	33.33	Low

Purity and Cleanliness in Sion, Switzerland

Air quality	85.71	Very High
Drinking Water Quality and Accessibility	91.67	Very High
Garbage Disposal Satisfaction	75.00	High
Clean and Tidy	83.33	Very High
Quiet and No Problem with Night Lights	50.00	Moderate
Water Quality	80.00	Very High
Comfortable to Spend Time in the City	90.00	Very High
Quality of Green and Parks	66.67	High

Contributors: 14

Last update: 13 June 2026

These data are based on perceptions of visitors of this website in the past 5 years.

If the value is 0, it means it is perceived as very low, and if the value is 100, it means it is perceived as very high.

Moving to Sion? Explore:

Nearby Cities:

Pollution in Crans-Montana	13.98 miles
Pollution in Montreux	44.74 miles
Pollution in Lausanne	59.72 miles
Pollution in Aubonne	75.25 miles
Pollution in Fribourg	76.69 miles
Pollution in Rolle	78.22 miles
Pollution in Nyon	85.08 miles
Pollution in Geneva	99.51 miles
Pollution in Lancy	104.40 miles
Pollution in La Chaux-de-Fonds	113.88 miles

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Index
Pollution Index:	20.80
Pollution Exp Scale:	40.08