Fun huh...we've been living with this pretty much every year here in Cali.
We had an AQI of 560 at our building last fire season one afternoon and had over 50 fans with MERV 13 filters that brought it down to under 100 in half an hour.
We had an AQI of 560 at our building last fire season one afternoon and had over 50 fans with MERV 13 filters that brought it down to under 100 in half an hour.
