Personal Exposure Estimator
Select your city and enter how many years you've lived there to estimate your cumulative unhealthy air days, dominant pollutant exposure, and whether air quality is improving or worsening.
How many years have you lived in this city?
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According to EPA air quality data analyzed by AirHistory.org, cumulative exposure to unhealthy air days is an important health metric. The EPA defines 'unhealthy' as AQI above 100, when air quality may begin to affect sensitive groups including people with asthma, heart disease, and older adults.
Data sources: EPA Air Quality System (AQS) · Annual AQI by County Data