Dehradun vs Hajipur
Side-by-side air quality comparison between Dehradun and Hajipur.
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 Hajipur averaged 173 — a 67-point (63%) gap, with Hajipur the more polluted and Dehradun the cleaner of the two. On 771 days when both cities reported, Dehradun was cleaner on 605 of them; the average daily gap was 76 AQI points.
Seasonality & days
Dehradun peaks in January, while Hajipur peaks in December. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Hajipur 36 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).