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Compare locations

Put 2 to 4 places side by side. Each column shows its own source and station, so you can see how comparable they really are.

  • Delhi
  • Mumbai
  • Bengaluru

Side by side

Differences (Δ) are against the reference column Delhi. Pick another reference with the button under a name. Pollutant differences are shown only when both values are concentrations in the same unit.

Air quality comparison across selected locations
MetricDelhiMumbaiBengaluru
AQI (US EPA)
Station———
Dominant pollutant———
PM2.5— not reported— not reported— not reported
PM10— not reported— not reported— not reported
NO₂— not reported— not reported— not reported
SO₂— not reported— not reported— not reported
CO— not reported— not reported— not reported
O₃— not reported— not reported— not reported

“—” means the source does not report that pollutant. Sub-index values (WAQI) are not concentrations and are not compared across sources.

Daily AQI over the last 30 days

One line per location, each from a single source. The badge under each name says which.

    View data as a table
    Daily AQI by location
    Date