pollution and weather on the date and in the place they were surveyed. People with higher incomes report higher levels of … happiness, and people interviewed on days with worse local air pollution report lower levels of happiness. Combining these two … differential for short-term changes in air pollution. …

Protection Agency's Air Quality System (AQS) to find the level of pollution in those locations on the dates the survey questions … interviewed on days when air pollution was worse than the local seasonal average report lower levels of happiness. Combining these … for air pollution. …