If you live in a crowded urban center, all you really have to do is peek outside in the morning to confirm how polluted the air you’re breathing is. But even if you don’t live in a perpetual cloud of smog, that doesn’t necessarily mean the air you’re breathing is clean, which is why this $12 air quality sensor from…
Source: Gizmodo – Ikea’s Cheap Sensor Warns You When Air Quality Gets Bad, But Does Nothing About it