Bettiah vs Cuddalore
Side-by-side air quality comparison between Bettiah and Cuddalore.
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 Cuddalore averaged 52 — a 75-point (144%) gap, with Bettiah the more polluted and Cuddalore the cleaner of the two. On 208 days when both cities reported, Cuddalore was cleaner on 171 of them; the average daily gap was 74 AQI points.
Seasonality & days
Bettiah peaks in November, while Cuddalore peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Cuddalore was 0% Severe and 90.6% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Cuddalore 34 days.
Year-over-year progress
The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Cuddalore hit AQI 329 at Kudikadu (TNPCB) on 2024-04-05.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Cuddalore spans 2 stations with a 11-point spread (min 46, max 57).