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Air quality in St. Moritz

Air quality index (AQI) and PM2.5 air pollution in St. Moritz

Last update at 13:00, May 18 (local time)

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#	city	US AQI
1	Zurich, Zurich	37
2	Chur, Grisons	32
3	Santa Maria in Calanca, Grisons	27

13:00, May 18 (local time)

#	station	US AQI
1	Saint-Moritz - Schulhaus	33

13:00, May 18 (local time)

US AQI

34*

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	34* US AQI	O3

Pollutants		Concentration
PM2.5		4.6*µg/m³
O3		82.4*µg/m³

✓

PM2.5 concentration in St. Moritz air currently meets the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Today	Good 34 AQI US	100%	50° 30.2°	6.7 mp/h
Sunday, May 19	Good 28 AQI US	90%	48.2° 32°	4.5 mp/h
Monday, May 20	Good 38 AQI US		53.6° 37.4°	6.7 mp/h
Tuesday, May 21	Moderate 57 AQI US	100%	42.8° 39.2°	4.5 mp/h
Wednesday, May 22	Good 43 AQI US	100%	46.4° 37.4°	6.7 mp/h
Thursday, May 23	Good 46 AQI US	80%	51.8° 41°	8.9 mp/h
Friday, May 24	Moderate 65 AQI US	100%	46.4° 39.2°	6.7 mp/h