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Air quality in Sion
Air quality index (AQI) and PM2.5 air pollution in Sion
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Sion Air Quality Map
Real-time Sion air pollution map
AIR QUALITY DATA CONTRIBUTORS
3 Contributors
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Weather
What is the current weather in Sion?
| Weather | Scattered clouds |
| Temperature | 57.2°F |
| Humidity | 94% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Switzerland city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Zurich, Zurich | 38 |
| 2 | Santa Maria in Calanca, Grisons | 19 |
| 3 | Chur, Grisons | 14 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Sion aqi ranking
Real-time Sion air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Sion - Aéroport | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
27
live AQI index
Good
Overview
What is the current air quality in Sion?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/m³ | |
| PM10 | 7µg/m³ | |
| NO2 | 8µg/m³ | |
✓
PM2.5 concentration in Sion air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Sion?
 | Enjoy outdoor activities |
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Forecast
Sion air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 29 AQI US |  | 53.6° 48.2° |  4.5 mp/h |
| Saturday, Jun 1 | Good 25 AQI US | | 62.6° 50° | 4.5 mp/h |
| Sunday, Jun 2 | Good 23 AQI US | | 66.2° 50° | 4.5 mp/h |
| Today | Good 27 AQI US | 70% | 62.6° 55.4° | 2.2 mp/h |
| Tuesday, Jun 4 | Good 47 AQI US | 90% | 71.6° 51.8° | 4.5 mp/h |
| Wednesday, Jun 5 | Good 48 AQI US | | 77° 53.6° | 4.5 mp/h |
| Thursday, Jun 6 | Moderate 54 AQI US  | | 80.6° 57.2° | 4.5 mp/h |
| Friday, Jun 7 | Moderate 69 AQI US | 100% | 80.6° 62.6° | 2.2 mp/h |
| Saturday, Jun 8 | Moderate 67 AQI US | 100% | 84.2° 62.6° | 4.5 mp/h |
| Sunday, Jun 9 | Moderate 59 AQI US | 100% | 64.4° 59° | 4.5 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Sion air quality data attribution
3Contributors
- Canton of Valais
1 station
- Bundesamt für Umwelt BAFU (Schweiz)
1 station
- Transalp'AIR
1 station
3 Government Contributors
3 Data sources
Where is the cleanest air quality in Sion?
AQI US, Metric