WeatherSmith - Air quality forecasts and related information for the southwestern United States
Personal Allergy Forecast - Pollen.com's Personal Allergy Alert Forecast provides vast amounts of information on pollen and allergies for sufferers. Get a daily allergy forecast emailed to you.
Air Quality Forecasts- USA - Ozone, Wildfire, Air Stagnation
Air Pollution - Air Pollution links from About.com