1. Satellite image of nitrogen dioxide levels

    U.S. gains in air quality are slowing down

    The slowdown may make it more difficult for the US to meet goal of reduced ozone pollution.

    • Air Quality

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  2. Visualization of ozone on the Front Range

    Scientists pinpoint sources of Front Range ozone

    The new report uses measurements from two major Front Range field projects

    • Air Quality

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  3. Smog over Boulder

    NCAR to host Air Quality Open House on May 3 in Boulder

    NCAR is marking Air Quality Awareness Week with a family-friendly open house at its Mesa Lab in southwest Boulder from 5-8 p.m. on Wednesday, May 3.

    • Air Quality

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  4. kids studying ocean reefs: illustration from Elementary Globe storybook

    UCAR staff add climate storybook to Elementary GLOBE's line-up

    School children go to Greenland and the Maldives to study climate in the latest addition to this illustrated series.

    • Education + Outreach,
    • Climate,
    • Air Quality

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  5. 2015 wildfires in Sumatra, as seen from space

    Indonesian fires exposed 69 million to 'killer haze'

    Wildfires in Indonesia and Borneo exposed 69 million people to unhealthy air pollution, new research has shown.

    • Air Quality

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