Baltimore woke up to hazy skies and chalky air this morning, as the city once again recorded hazardous Code Red air quality readings due to smoke from the Canadian wildfires.
According to the federal government’s AirNow real-time monitoring site, the AQI (Air Quality Index) in Baltimore at noon today was 186, which is considered “unhealthy for all groups.”
The pollutant of concern – fine particulate matter (PM 2.5) – is the same compound that plagued the city two weeks ago.
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