Weather Blog Unhealthy Skies over Los Angeles County A series of images captured by NASA’s TEMPO sensor show the shifting location of nitrogen dioxide as destructive fires raged and smoke plumes streamed over the region. Read More… About Author OTW Observer See author's posts Post navigation Previous London weather latest as the Met Office hints at fresh blast of snowNext UK weather expert warns ‘snow grains’ to pelt southern England as temperatures plummet Related Stories Air Pollution’s Daily Pulse Over the Northeast Weather Blog Air Pollution’s Daily Pulse Over the Northeast June 11, 2026 Tyndall’s Trail of Bergs Weather Blog Tyndall’s Trail of Bergs June 10, 2026 San Francisco’s Metropolitan Mosaic Weather Blog San Francisco’s Metropolitan Mosaic June 9, 2026