1
$\begingroup$

Today (17/04/2023) Luleå in Sweden has one of the lowest air quality values in the world according, to Microsoft's air quality map. Other regions with a similar value are near deserts or large urban areas. However according to Weather underground the same PM value in Luleå is classified as good air quality.

It is not pollen season or any news I could find about the poor air quality. What are other sources for high PM value that are relevent for Luleå, and is PM10 indicative of poor air quality?

Note: I have never visited Luleå so there may be conditions I am not aware of.

Air Quality map of Luleå

$\endgroup$

1 Answer 1

1
$\begingroup$

Luleå has a very large steel industry. This coupled with weather conditions, such as temperature inversions would be likely factors for high readings in particulate matter air pollution.

The steel plant produces 2.3 Mt of steel per annum.

The site tutiempo.net has classified the air for "today", 17 April 2023 as being very unhealthy.

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.