City AQI planning guides
These pages are built for people who already have a reading and want to connect it to the kinds of exposure decisions they repeatedly make in a specific city context.
Los Angeles AQI planning guide
Interpret LA air quality for commuting, outdoor exercise, and smoke-season decisions.
Suggested starting AQI: 105
San Francisco AQI planning guide
Use AQI to decide on transit, neighborhood differences, and wildfire smoke response in the Bay Area.
Suggested starting AQI: 92
New York City AQI planning guide
Interpret AQI for street-level exposure, commuting, exercise, and occasional smoke events in NYC.
Suggested starting AQI: 88
Seattle AQI planning guide
Use AQI to manage wildfire smoke swings, school decisions, and indoor-air preparation in Seattle.
Suggested starting AQI: 120
Delhi AQI planning guide
Use AQI to plan routine exposure, commuting, and home protection when pollution remains elevated for longer periods.
Suggested starting AQI: 175
Beijing AQI planning guide
Use AQI to decide on outdoor time, family routines, and indoor protection when pollution episodes build.
Suggested starting AQI: 160