Bettiah vs Virudhunagar
Side-by-side air quality comparison between Bettiah and Virudhunagar.
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 Virudhunagar averaged 52 — a 75-point (144%) gap, with Bettiah the more polluted and Virudhunagar the cleaner of the two. On 136 days when both cities reported, Virudhunagar was cleaner on 126 of them; the average daily gap was 77 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).