A personal device of a user which receives geocoded outdoor air pollution and outdoor weather condition data from outdoor sensors, personal condition data from wearable sensors, the personal device comprising:
- a display unit to enable the user to enter personal information including home condition data and user characteristics;
- an accelerometer which detects a physical activity level of the user;
- a personal device locator which determines a location of the personal device;
- and
- a processing unit which uses the geocoded outdoor air pollution and outdoor wind speed and temperature data, the personal condition information, the physical activity level of the user and the location of the personal device to assess air pollution exposure and dose of the user;
- wherein:
- the personal device generates a notification to the user to modify behavior or at least one automated home condition that is controlled by the home condition data based upon the assessed air pollution exposure and dose of the user.