In Florida, cockroach allergens can trigger asthma symptoms year-round, even...
https://charlie-wiki.win/index.php/What_Does_8_Units_Per_Gram_of_Dust_Mean_for_Asthma_Symptoms%3F
In Florida, cockroach allergens can trigger asthma symptoms year-round, even after the roaches are gone. These tiny particles linger in your home’s dust and surfaces, affecting air quality