Dehradun vs Hisar
Side-by-side air quality comparison between Dehradun and Hisar.
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 Hisar averaged 136 — a 30-point (28%) gap, with Hisar the more polluted and Dehradun the cleaner of the two. On 428 days when both cities reported, Dehradun was cleaner on 344 of them; the average daily gap was 61 AQI points.
Seasonality & days
Dehradun peaks in January, while Hisar peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Hisar 34 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Hisar spans 1 stations with a 0-point spread (min 168, max 168).