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AQI Alerts

Get email alerts when AQI is unhealthy near you.

Set up

  1. Click Fork
  2. Change location (Line 4) to describe your location. It accepts fairly flexible English descriptions which it turns into locations via nominatim's geocoder API.
  3. Click Run

Background

This val uses nominatim's geocoder to get your lat, lon, and air quality data from OpenAQ. It uses EPA's NowCast AQI Index calculation and severity levels. Learn more: https://www.val.town/v/stevekrouse.easyAQI

Runs every 1 hrs
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import { email } from "https://esm.town/v/std/email?v=9";
import { easyAQI } from "https://esm.town/v/stevekrouse/easyAQI";
export async function aqi(interval: Interval) {
const location = "Brooklyn Navy Yard, Brooklyn"; // <-- change to place, city, or zip code
const data = await easyAQI({ location });
if (!interval.lastRunAt) {
email({
text:
`You will now get Air Quality alerts for ${location} if it's unhealthy. It is now ${data.aqi} which is ${data.severity}.`,
subject: `AQI Alerts for ${location} setup!`,
});
}
if (data.severity.includes("Unhealthy")) {
email({
text: "Air Quality: " + data.severity,
subject: `AQI in ${location} is ${data.aqi}`,
});
}
}
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v4
April 2, 2024