Estimate personal daily air pollution exposure across home, work, and commute.
Uses time-weighted modelling across environments: home (with indoor source
adjustments), work, and commute (with route-based pollution and transport mode
factors). Based on annual average pollution estimates, not live readings.
Args:
home_postcode: Home location UK postcode (e.g. "SE17 1RL"). Required.
work_postcode: Work/school location postcode. Omit if not commuting.
transport_mode: Commute mode — walk, cycle, bus, car, train, tube.
work_frequency: How often you commute — most_days, some_days, less_often, never.
commute_hour: Hour of commute (0-23) for time-of-day pollution adjustment.
cooker_type: Home cooker type — gas, electric, induction, unknown.
smoking_at_home: Whether anyone smokes indoors (major PM2.5 source).
tube_line: London Underground line for tube commuters (e.g. "victoria").