Question: What are ways to alert residents to air quality concerns without using cell phones or wifi?

bhamster is asking a question about air-quality
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by bhamster | October 29, 2021 15:42 | #27982

We're interested in approaches that could apply in situations where affected residents might not have continuous access to cell phones or wifi.

This is a complementary question to conversations about how to use text notifications to communicate air quality data (example here).

Thank you for any ideas or examples!


For real-time alerts, one option is an air quality flag program. This one from the US EPA uses colored flags that correspond with its Air Quality Index (AQI) colors:


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Some states use the electronic DOT signs along major road ways to alert to ozone or air quality issues.

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