Dehradun vs Mangalore
Side-by-side air quality comparison between Dehradun and Mangalore.
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 Mangalore averaged 61 — a 45-point (74%) gap, with Dehradun the more polluted and Mangalore the cleaner of the two. On 724 days when both cities reported, Mangalore was cleaner on 474 of them; the average daily gap was 47 AQI points.
Seasonality & days
Dehradun peaks in January, while Mangalore peaks in February. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Mangalore was 0% Severe and 87.2% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Mangalore 64 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Mangalore has improved by 9 AQI points (12.9%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Mangalore hit AQI 235 at Kadri (KSPCB) on 2023-11-17.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Mangalore spans 1 stations with a 0-point spread (min 68, max 68).