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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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Pollen
What is the pollen count in Sion today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Sion?
| Weather | Scattered clouds |
| Temperature | 37.4°F |
| Humidity | 70% |
| Wind | 1.1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time Switzerland city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Zurich, Zurich | 26 |
| 2 | Santa Maria in Calanca, Grisons | 25 |
| 3 | Chur, Grisons | 21 |
(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 | 29 |
(local time)
SEE WORLD AQI RANKING
US AQI
29
live AQI index
Good
Overview
What is the current air quality in Sion?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 29 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7µg/m³ | |
| PM10 | 10µg/m³ | |
| O3 | 48µg/m³ | |
| NO2 | 12µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Sion is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Sion?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Sion air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 22 | Good 29 AQI US |  | 44.6° 28.4° |  6.7 mp/h |
| Tuesday, Apr 23 | Good 28 AQI US | | 44.6° 32° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 34 AQI US | | 48.2° 32° | 4.5 mp/h |
| Today | Good 29 AQI US | 50% | 51.8° 33.8° | 2.2 mp/h |
| Friday, Apr 26 | Good 11 AQI US |  80% | 55.4° 37.4° | 4.5 mp/h |
| Saturday, Apr 27 | Good 8 AQI US | | 59° 41° | 6.7 mp/h |
| Sunday, Apr 28 | Good 43 AQI US | 40% | 60.8° 46.4° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 58 AQI US  | 30% | 68° 46.4° | 6.7 mp/h |
| Tuesday, Apr 30 | Moderate 58 AQI US | | 68° 51.8° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 57 AQI US | 90% | 66.2° 50° | 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