Across the eastern half of the country two areas of low pressure are converging on the northeast. The storm tracking up the coast from the south has brought nearly 2" of rain to the midAtlantic states and we really need the precipitation, so we are not complaining. But today is Earth Day and we would have appreciated Mother Earth being a bit nicer today. The Earth Day "ecofest" at UMBC is likely to be pretty wet tomorrow.
Ozone reached the 100 ppb level in the Los Angeles basin yesterday and pushed 100 ppb today in San Bernadino.
There still is the indication of smoke moving up from Mexico along the Gulf of California (as seen in the HMS plot today). But the smoke does not seem to have raised the AQI readings in the US.