Saharsa vs Virudhunagar
Side-by-side air quality comparison between Saharsa 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, Saharsa averaged an AQI of 139 while Virudhunagar averaged 52 — a 87-point (167%) gap, with Saharsa the more polluted and Virudhunagar the cleaner of the two. On 173 days when both cities reported, Virudhunagar was cleaner on 161 of them; the average daily gap was 107 AQI points.
Seasonality & days
Saharsa peaks in January, while Virudhunagar peaks in November. Saharsa logged 1.4% Severe days and 28.4% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).