Haze tools
Practical tools that turn the reading into a decision at home, at school, at training and on your own website.
Air purifier size calculator
Minimum smoke CADR for your room, and whether your purifier is enough.
Alerts at your own cut-offTelegram alerts when the 1-hour PM2.5 crosses the level you set, for training, school runs or a vulnerable family member.
Southeast Asia city rankingEvery city ranked by current PM2.5, official and modelled figures labelled.
Haze mapPM2.5 field, fires, wind and rain radar with a time slider.
Free widget for your websiteOne line of HTML shows the live reading for any city on your page.
Open data and APIFree JSON API with an OpenAPI description, CC BY 4.0.