Category: Air & Climate Trends

Stay informed on macro environmental shifts. We cover seasonal smog events, urban heat island dynamics, wildfire smoke tracking, regional AQI anomalies, and clean air policy news worldwide.

  • When pollen sources disagree

    When pollen sources disagree

    SharedSky’s new Allergens in the air feature compares pollen information from official networks, atmospheric models and other providers in one table. Because every source has gaps and blind spots, the app shows their results side by side and uses the highest reported band instead of averaging away a possible warning signal. It is a transparent view of public environmental information, including where sources disagree or return no data.

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  • The Chemistry of Ground-Level Ozone

    Summer’s Invisible Respiratory Threat

    The Chemistry of Ground-Level Ozone

    On a July morning in 1943, Los Angeles residents looked out on a city reduced to three blocks of visibility. Eyes burned. Lungs hurt. Some people feared that the city had suffered a chemical attack. Officials blamed a synthetic-rubber plant, but closing the suspected facility did not clear the air. The haze returned, especially when sunshine settled over the Los Angeles basin.

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