Khanna vs Virudhunagar
Side-by-side air quality comparison between Khanna 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Khanna | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 43.40 | 2.90 |
| PM10(µg/m³) | 93.60 | 3.70 |
| NO₂(µg/m³) | 2.30 | 1.20 |
| SO₂(µg/m³) | 14.50 | 1.10 |
| O₃(µg/m³) | 198.00 | 80.00 |
| CO(µg/m³) | 321.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Khanna averaged an AQI of 102 while Virudhunagar averaged 52 — a 50-point (96%) gap, with Khanna the more polluted and Virudhunagar the cleaner of the two. On 190 days when both cities reported, Virudhunagar was cleaner on 175 of them; the average daily gap was 56 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Khanna logged 0% Severe days and 61.599999999999994% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Khanna 60 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Khanna reached AQI 297 at Kalal Majra (PPCB) on 2023-11-09; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Khanna spans 1 CPCB stations with a 0-point spread (min 100, max 100); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Virudhunagar has better air quality with an AQI of 5 compared to Khanna's 94. That's a significant difference of 89 points.