I don't know, but actually (again, according to Windy) NO2 spikes at night across the U.S., but less on weekends. Industrial processes? Furnaces? Weather? Bad d

I don't know, but actually (again, according to Windy) NO2 spikes at night across the U.S., but less on weekends. Industrial processes? Furnaces? Weather? Bad data? This is why they should have an "outside" control away from any house exhausts. I'm also not saying the gas stove has no effect, just that they don't seem to be controlling for ambient NO2.