# Air Quality Alert: Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson — retained record

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

Canonical: https://highsignal.app/data/records/c4c4e62426dcca77

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-17 00:09 ingested 2026-07-17 08:16

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

## extract

Air Quality Alert — Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson
Severity: Unknown. Certainty: Unknown.
The Pennsylvania Department of Environmental Protection has issued a
Code Purple Air Quality Alert for Ground Level Ozone and Fine
Particulates, until midnight EDT tonight.

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The historical document was shared with another weather alert and cannot be attributed to this record.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.