| Source | ABC Local |
|---|---|
| Original Load Date | May 26, 2026, 5 p.m. |
| Last Updated | May 26, 2026, 5 p.m. |
| Original URL | https://abc7chicago.com/post/open-air-chicago-sensors-tracking-pollution-city-largest-network-kind-us/19176297/ |
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CHICAGO (WLS) -- In Chicago, there's a city-wide effort to track air pollution.
The science sits on street corners, hanging above passersby in plain sight.
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Project leaders say the network of sensors is the largest system of its ...