Patna vs Virudhunagar
Side-by-side air quality comparison between Patna 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, Patna averaged an AQI of 172 while Virudhunagar averaged 52 — a 120-point (231%) gap, with Patna the more polluted and Virudhunagar the cleaner of the two. On 195 days when both cities reported, Virudhunagar was cleaner on 192 of them; the average daily gap was 198 AQI points.
Seasonality & days
Patna peaks in December, while Virudhunagar peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).