London Air vs PrepTracker

Know your air. This App displays the latest air pollution levels recorded at over 100 monitoring stations across greater London. Maps, My Sites and Push Notifications keep you up to date with London's air quality where you are. Push Notifications. Subscribe to a site to receive notifications when pollution levels change to Moderate or High. Maps. Hourly and annual 20 metre resolution interactive pollution maps give you an unparalleled view of air quality where you are. My Sites. Pin individual sites to the My Sites page for quick and easy access. Stats. See how a site has performed each year in relation to the air quality objectives. This application was designed by the Environmental Research Group at King's College London; London's leading air quality information and research group. This application is possible thanks to the continued support and participation of the boroughs of London in the London Air Quality Network.

PrepTracker helps your household get ready for emergencies, calmly and one step at a time. It works fully offline and needs no account. See where you stand Count the water, food and essentials you already have. PrepTracker shows your runway: how many days your household could last, based on official guidelines for your country and household size. Close the gaps A prioritized list of what to buy next, sized to your family, plus reminders before supplies expire. Rotate what you have into everyday use so nothing is wasted. Be ready when it happens Emergency Mode puts your medical cards, emergency numbers and plans one tap away, even without signal. Outage Mode tracks how long the power has been out and what is still safe to eat. Step-by-step first aid guides for bleeding, CPR, choking, burns and more. Plan as a family Where to meet, who to call, evacuation routes, go-bags for every person and pet. Print a household sheet for the fridge. Link your household's phones so everyone sees the same list; a new phone joins only after a phone already in your home approves it. Stay informed Live alerts from official sources for your area (earthquakes, severe weather, floods, outbreaks) and a calm heads-up before each hazard season. Private by design No account. No ads. No tracking. Your data stays on your phone unless you link your household's phones; then the list is encrypted on them with a key only they hold, and our server passes changes along without being able to read them. The optional weekly email sends only a short readiness summary, and you can stop it any time. Community mode (optional) If your community uses PrepTracker, enter its code. Its coordinators then see your household's readiness figures (readiness, days covered, household size, and whether alerts and the weekly email are on), never your name, email, items or documents, and their alerts reach you. Leave community mode at any time. Available in English, German, French, Spanish, Indonesian, Dutch and Urdu.