Dehradun vs Motihari
Side-by-side air quality comparison between Dehradun and Motihari.
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 Motihari averaged 116 — a 10-point (9%) gap, with Motihari the more polluted and Dehradun the cleaner of the two. On 653 days when both cities reported, Dehradun was cleaner on 432 of them; the average daily gap was 65 AQI points.
Seasonality & days
Dehradun peaks in January, while Motihari peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Motihari 26 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Motihari spans 1 stations with a 0-point spread (min 153, max 153).