Chapra vs Virudhunagar
Side-by-side air quality comparison between Chapra 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, Chapra averaged an AQI of 149 while Virudhunagar averaged 52 — a 97-point (187%) gap, with Chapra the more polluted and Virudhunagar the cleaner of the two. On 163 days when both cities reported, Virudhunagar was cleaner on 152 of them; the average daily gap was 109 AQI points.
Seasonality & days
Chapra peaks in January, while Virudhunagar peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).