# Air Quality Alert: Allegheny — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/e5f1b6989ed0b18c

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-16 16:30 ingested 2026-07-17 08:18

[original source ↗](http://www.weather.gov/)

## extract

Air Quality Alert — Allegheny
Severity: Unknown. Certainty: Unknown.
The Pennsylvania Department of Environmental Protection has
issued a code PURPLE air quality alert for Friday, for the Mon
Valley area.

A code PURPLE air quality alert means that air pollution
concentrations within the local region are very unhealthy for the
general population. The effects of air pollution can be minimized
by avoiding outdoor exercise or strenuous activity.

For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.