SmogRank / Explore

Explore

The same hourly measurements as the rankings, seen other ways: on a map, over time, and city against city.

• Live mapEvery measured city on a globe, with the day's fires, smoke and volcanic ash. Play the last week hour by hour.
• Since 2023Every city ever measured, played day by day from January 2023 to yesterday.
• Country raceCountries ranked by their typical city over 30 days, as a moving chart from 2023 to today.
• City raceThe world's 40 worst cities each day, or one country's, racing from 2023. Follow your own city through it.
• Compare two citiesTwo cities side by side, on the days both measured. For example, Gujranwala and Kinshasa.
• Cleaner or dirtierEvery measured city against the same days a year earlier, biggest rise first.
• Air calendarEvery measured country, a square per week since 2023, with bad-air episodes underlined.
• Bad-air episodesSmoke, smog and dust events found in the measurements, with maps that play their spread day by day.
• Past rankingsEvery day, week, month and year since January 2023, frozen once it ends.