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Varanasi vs Virudhunagar

Side-by-side air quality comparison between Varanasi and Virudhunagar.

Cleaner right now: Virudhunagar (65-pt gap)Historical head-to-head: Virudhunagar cleaner 136/195 days

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

Varanasi

Uttar Pradesh, India

Satisfactory

PM2.5: 43.8 µg/m³

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VS
🏆 Cleaner

Virudhunagar

Tamil Nadu, India

Good

PM2.5: 5.3 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantVaranasiVirudhunagar
PM2.5(µg/m³)43.805.30
PM10(µg/m³)52.906.10
NO₂(µg/m³)28.206.70
SO₂(µg/m³)36.903.00
O₃(µg/m³)45.0035.00
CO(µg/m³)440.00129.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Varanasi averaged an AQI of 56 while Virudhunagar averaged 52 — a 4-point (8%) gap, with Varanasi the more polluted and Virudhunagar the cleaner of the two. On 195 days when both cities reported, Virudhunagar was cleaner on 136 of them; the average daily gap was 40 AQI points.

Seasonality & days

Varanasi peaks in January, while Virudhunagar peaks in November. Varanasi logged 2.8% Severe days and 36% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Varanasi 87 days, Virudhunagar 31 days.

Year-over-year progress

The worst recorded day for Varanasi reached AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.

Station-level disparity

Varanasi spans 4 CPCB stations with a 94-point spread (min 71, max 165); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).

Verdict

🏆 Virudhunagar has better air quality with an AQI of 9 compared to Varanasi's 74. That's a significant difference of 65 points.

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