Bettiah vs Mangalore
Side-by-side air quality comparison between Bettiah and Mangalore.
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 Mangalore averaged 61 — a 66-point (108%) gap, with Bettiah the more polluted and Mangalore the cleaner of the two. On 728 days when both cities reported, Mangalore was cleaner on 637 of them; the average daily gap was 109 AQI points.
Seasonality & days
Bettiah peaks in November, while Mangalore peaks in February. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Mangalore was 0% Severe and 87.2% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Mangalore 64 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Mangalore has improved by 9 AQI points (12.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Mangalore hit AQI 235 at Kadri (KSPCB) on 2023-11-17.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Mangalore spans 1 stations with a 0-point spread (min 68, max 68).