Domain Arrivals
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Featured in Domain Arrivals · 2026-08-07

AirThen — A visual archive of historical air quality

airthen.com ↗ · Civic & Public Life · score 78.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

AirThen lets you explore daily AQI records for U.S. cities, ZIP codes, and metro areas across multiple years.

Why it surfaced

The site turns EPA AirData, OpenAQ measurements, and Census geographic references into daily calendars, annual strips, and trend charts. It is a focused public-data tool that makes long-term air-quality patterns easier to inspect than a raw monitoring archive.

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A File Musicians Can Argue With

August 7’s newborn domains include editable orchestral scores with up to 33 staves, 15 years of Valencia council interventions, a dementia-friendly frame with one optional button, and a memorial golf tournament whose winner wears the Meatball Jacket.

This is one of 1,000 discoveries in the 2026-08-07 Domain Arrivals issue.

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