Dehradun vs Mumbai
Side-by-side air quality comparison between Dehradun and Mumbai.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Mumbai averaged 93 — a 13-point (14%) gap, with Dehradun the more polluted and Mumbai the cleaner of the two. On 502 days when both cities reported, Dehradun was cleaner on 437 of them; the average daily gap was 96 AQI points.
Seasonality & days
Dehradun peaks in January, while Mumbai peaks in December. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Mumbai 58 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).