Bettiah vs Kochi
Side-by-side air quality comparison between Bettiah and Kochi.
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 Kochi averaged 91 — a 36-point (40%) gap, with Bettiah the more polluted and Kochi the cleaner of the two. On 515 days when both cities reported, Kochi was cleaner on 407 of them; the average daily gap was 98 AQI points.
Seasonality & days
Bettiah peaks in November, while Kochi peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Kochi 80 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Kochi spans 1 stations with a 0-point spread (min 88, max 88).