UPI15 天
Wildfire smoke affecting many U.S. cities, including in Midwest, East Coast
For this study, researchers tracked wildfire smoke using satellite data and ground-level measures of particle ... The smokiest city with more than a million people was Sacramento, Calif.
Tyler Morning Telegraph16 天
Wildfire Smoke Is Choking America's Cities -- Is Yours on the List?
For this study, researchers tracked wildfire smoke using satellite data and ground-level measures of particle ... The smokiest city with more than a million people was Sacramento, Calif.