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Installing air filters in classrooms has surprisingly large educational benefits (2020)

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308 points tangjurine | 3 comments | 3/31/2025, 12:22:00 AM | HN request time: 1.534s | source
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theoreticalmal ◴[3/31/2025, 2:04:00 AM] No.43529975[source]▶

Only marginally relevant, this is one reason I use swamp coolers in my home. My windows are open 24/7, 4 months of the year. I hear the birds in the morning and it’s so much more pleasant than shutting in an air conditioned box, in my opinion

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meroes ◴[3/31/2025, 2:18:00 AM] No.43530086[source]▶

Do you not get massive amounts of dust?

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1. mmooss ◴[3/31/2025, 2:31:00 AM] No.43530191[source]▶

Why would opening the windows result in dust, except where there a lot of dust outside (near a construction site)?

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2. bluGill ◴[3/31/2025, 3:11:00 AM] No.43530498[source]▶

swamp coolers work - imples desert - implies dust

3. wahnfrieden ◴[3/31/2025, 4:35:00 AM] No.43531086[source]▶

Having any roads/cars around is a major problem. Brake and tire dust. Many people live near roads and traffic.