div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: CHRONOS science SLIDE-April10-2017-100dpi · CHRONOS observations can resolve intermittent sources such as fires that impact the ability of urban areas to meet air quality standards src=https:reader036fdocumentsinreader036viewer20220626045fc036feb761664b4e723127html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv