Clean Air Window: the cleanest hour to go outside in smog season

Description and use

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week1-2026-10-05">Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass</a></em></p> <p><strong>▶ Try it live:</strong> <a href="https://clean-air-window.onrender.com" rel="noopener noreferrer">clean-air-window.onrender.com</a> (five plans per visit)<br><br> <strong>⌨ Code:</strong> <a href="https://github.com/talhaanwarch/clean-air-window" rel="noopener noreferrer">github.com/talhaanwarch/clean-air-window</a></p> <h2> What I Built </h2> <p>Clean Air Window picks the cleanest time to go outside today. You

Problem

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week1-2026-10-05">Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass</a></em></p> <p><strong>▶ Try it live:</strong> <a href="https://clean-air-window.onrender.com" rel="noopener noreferrer">clean-air-window.onrender.com</a> (five plans per visit)<br><br> <strong>⌨ Code:</strong> <a href="https://github.com/talhaanwarch/clean-air-window" rel="noopener noreferrer">github.com/talhaanwarch/clean-air-window</a></p> <h2> What I Built </h2> <p>Clean Air Window picks the cleanest time to go outside today. You

Outcome

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week1-2026-10-05">Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass</a></em></p> <p><strong>▶ Try it live:</strong> <a href="https://clean-air-window.onrender.com" rel="noopener noreferrer">clean-air-window.onrender.com</a> (five plans per visit)<br><br> <strong>⌨ Code:</strong> <a href="https://github.com/talhaanwarch/clean-air-window" rel="noopener noreferrer">github.com/talhaanwarch/clean-air-window</a></p> <h2> What I Built </h2> <p>Clean Air Window picks the cleanest time to go outside today. You

Evidence

Clean Air Window: the cleanest hour to go outside in smog season

Source