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 Post navigation Previous Mayotte’s LagoonNext Nitrogen Dioxide in the Neighborhood Related Stories London will be hotter than Lisbon, Rome and Hawaii on Friday as temperatures soar ahead of Bank Holiday weekend All Regions Europe London will be hotter than Lisbon, Rome and Hawaii on Friday as temperatures soar ahead of Bank Holiday weekend May 1, 2026 Cyclone Rains Spur Papua New Guinea Landslides Weather Blog Cyclone Rains Spur Papua New Guinea Landslides May 1, 2026 Odyssey Team Celebrates on a Global Map of Mars Weather Blog Odyssey Team Celebrates on a Global Map of Mars April 30, 2026