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Air quality in Santa Helena

Air quality index (AQI) and PM2.5 air pollution in Santa Helena

Last update at 21:00, Apr 19 (local time)

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21:00, Apr 19 (local time)

US AQI

26*

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	26* US AQI	PM2.5

Pollutants		Concentration
PM2.5		6.4*µg/m³

PM2.5

x1.3

PM2.5 concentration in Santa Helena is currently 1.3 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Today	Good 26 AQI US	100%	86° 73.4°	4.5 mp/h
Saturday, Apr 20	Good 26 AQI US	100%	89.6° 73.4°	2.2 mp/h
Sunday, Apr 21	Good 22 AQI US	100%	84.2° 73.4°	2.2 mp/h
Monday, Apr 22	Good 36 AQI US	100%	75.2° 73.4°	2.2 mp/h
Tuesday, Apr 23	Good 42 AQI US	100%	86° 71.6°	2.2 mp/h
Wednesday, Apr 24	Good 37 AQI US	100%	84.2° 71.6°	2.2 mp/h
Thursday, Apr 25	Moderate 59 AQI US	100%	80.6° 73.4°	4.5 mp/h