Aizawl vs Dehradun
Side-by-side air quality comparison between Aizawl and Dehradun.
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, Aizawl averaged an AQI of 46 while Dehradun averaged 106 — a 60-point (130%) gap, with Dehradun the more polluted and Aizawl the cleaner of the two. On 704 days when both cities reported, Aizawl was cleaner on 601 of them; the average daily gap was 58 AQI points.
Seasonality & days
Aizawl peaks in March, while Dehradun peaks in January. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Dehradun was 0% Severe and 62.8% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Dehradun 41 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Dehradun has worsened by 19 AQI points (21.8%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Dehradun hit AQI 327 at Doon University (UKPCB) on 2024-01-19.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Dehradun spans 1 stations with a 0-point spread (min 98, max 98).