Bettiah vs Chandigarh
Side-by-side air quality comparison between Bettiah and Chandigarh.
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 Chandigarh averaged 153 — a 26-point (20%) gap, with Chandigarh the more polluted and Bettiah the cleaner of the two. On 808 days when both cities reported, Chandigarh was cleaner on 414 of them; the average daily gap was 79 AQI points.
Seasonality & days
Bettiah peaks in November, while Chandigarh peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Chandigarh 92 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).