Dehradun vs Dewās
Side-by-side air quality comparison between Dehradun and Dewās.
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 Dewās averaged 98 — a 8-point (8%) gap, with Dehradun the more polluted and Dewās the cleaner of the two. On 726 days when both cities reported, Dehradun was cleaner on 405 of them; the average daily gap was 47 AQI points.
Seasonality & days
Dehradun peaks in January, while Dewās peaks in December. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Dewās was 0% Severe and 47.7% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Dewās 101 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Dewās has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Dewās hit AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Dewās spans 1 stations with a 0-point spread (min 106, max 106).