Guided tour

A walkthrough of JanVayu

A tour of what janvayu.in is and how to use it: why India's air is a public-health emergency, the live data behind every ward, what today's air means for your body and the economy, how we track the promises and the money, and how every number stays fact-checked.

Two lengths · 10 minutes or the full tour Speaker notes included Print to PDF
Short: start here

The 10-minute overview

The essentials, with hand-drawn diagrams. Good for a first look or a quick share.

14 slides · ~10 min · Open the overview → Long: the deep dive

The full, section-by-section tour

A slide for nearly every panel on the site, grouped into eight chapters. Made for training a newsroom or briefing a class.

41 slides · ~25 min · Open the full deck →

Previewing the short overview below, or open either deck above.

Use ←/→ to move, S to toggle speaker notes, O for the slide overview and F for fullscreen. You can link to any slide (e.g. deck.html#/4), and print the deck straight to PDF.

Prefer a file? Download either deck. Short: PDF · PPTX  |  full tour: PDF · PPTX (speaker notes included). The files are regenerated from these decks, so they match the site.

Open the short deck (fullscreen) Open the full deck (41 slides) Explore the live site
Contents

What's inside

  1. 1
    The emergency, in one number
    India breathes the world's most dangerous air: the mortality, the life-years lost and where the country ranks.
  2. 2
    A citizen-led public record
    What JanVayu is, who runs it, and why it stays non-partisan and citizen-led.
  3. 3
    Independent sources, made useful
    How raw feeds from CPCB, WAQI, WHO, CREA and others become one clear picture of your air.
  4. 4
    The live picture
    Real-time PM2.5 for 157 Indian cities, a boundary atlas covering every place in India, rankings, trends and forecasts, and what today's air means for you.
  5. 5
    More than a lung problem
    What PM2.5 does to the heart, brain, kidneys and unborn children, which is the health story beyond the cough.
  6. 6
    The bill nobody sees
    How dirty air drains the economy: lost workdays, GDP and the cost of doing nothing.
  7. 7
    Following the promises & the money
    NCAP, budget tracking, political accountability and the scorecards that hold governments to their targets.
  8. 8
    The AQI hides up to eight pollutants
    What the single AQI number actually rolls up, and why the components matter.
  9. 9
    Everything in one place
    The full toolbox: calculators, Ask JanVayu, learning games, RTI assistant and more.
  10. 10
    Every number, checked against its source
    How a periodic audit re-verifies statistics against primary sources; findings are logged in the public repository.
About this walkthrough

Use the arrow keys to move, press S for speaker notes, O for the slide overview, F for fullscreen, and use your browser's Print for a clean one-slide-per-page PDF.

For live figures such as the current AQI, rankings and budget spend, click through to the site, which updates in real time, rather than relying on the slides. The deck is licensed under CC BY-NC-SA 4.0 like the rest of JanVayu content. Dated claims (the NCAP deadline of 31 March 2026, the IQAir 2025 World Air Quality Report, the Lancet Countdown 2025) are anchored to their primary sources in the Research Library.