Bettiah vs Dehradun
Side-by-side air quality comparison between Bettiah 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, Bettiah averaged an AQI of 127 while Dehradun averaged 106 — a 21-point (20%) gap, with Bettiah the more polluted and Dehradun the cleaner of the two. On 553 days when both cities reported, Dehradun was cleaner on 400 of them; the average daily gap was 85 AQI points.
Seasonality & days
Bettiah peaks in November, while Dehradun peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Dehradun was 0% Severe and 62.8% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Dehradun 41 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Dehradun has worsened by 19 AQI points (21.8%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Dehradun hit AQI 327 at Doon University (UKPCB) on 2024-01-19.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Dehradun spans 1 stations with a 0-point spread (min 98, max 98).