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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 | Rain |
| Temperature | 44.6°F |
| Humidity | 77% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Switzerland city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Santa Maria in Calanca, Grisons | 36 |
| 2 | Zurich, Zurich | 33 |
| 3 | Chur, Grisons | 28 |
(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 | 45 |
(local time)
SEE WORLD AQI RANKING
US AQI
45
live AQI index
Good
Overview
What is the current air quality in Sion?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11µg/m³ | |
| PM10 | 16µg/m³ | |
| O3 | 77µg/m³ | |
| NO2 | 24µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Sion is currently 2.2 times 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 |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 37 AQI US |  | 55.4° 42.8° |  6.7 mp/h |
| Wednesday, Apr 17 | Good 32 AQI US |  | 44.6° 39.2° | 6.7 mp/h |
| Thursday, Apr 18 | Good 29 AQI US | | 41° 33.8° | 6.7 mp/h |
| Today | Good 45 AQI US | 100% | 48.2° 30.2° | 4.5 mp/h |
| Saturday, Apr 20 | Good 5 AQI US | 100% | 42.8° 32° | 6.7 mp/h |
| Sunday, Apr 21 | Good 8 AQI US | 100% | 41° 30.2° | 6.7 mp/h |
| Monday, Apr 22 | Good 13 AQI US | 80% | 44.6° 30.2° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 16 AQI US | 100% | 44.6° 28.4° | 4.5 mp/h |
| Wednesday, Apr 24 | Good 27 AQI US | 40% | 46.4° 32° | 2.2 mp/h |
| Thursday, Apr 25 | Good 15 AQI US | 90% | 51.8° 33.8° | 4.5 mp/h |
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News
The latest air quality news and resources.
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