All Regions Weather Blog Nitrogen Dioxide in the Neighborhood A team of scientists mapped nitrogen dioxide in California’s air at the neighborhood scale and found hotspots of the air pollutant near high-rise buildings and food processing facilities. Read More… About Author OTW Observer See author's posts Continue Reading Previous: Mayotte’s LagoonNext: Nitrogen Dioxide in the Neighborhood Related Stories 26C weather to mark ‘last blast of summer’ in London before rain sweeps in All Regions Europe 26C weather to mark ‘last blast of summer’ in London before rain sweeps in September 19, 2025 Arctic Sea Ice Ties for 10th-Lowest on Record Weather Blog Arctic Sea Ice Ties for 10th-Lowest on Record September 19, 2025 Cooper Creek Replenishes Lake Eyre Weather Blog Cooper Creek Replenishes Lake Eyre September 17, 2025