Dindigul vs Virudhunagar
Side-by-side air quality comparison between Dindigul 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 | Dindigul | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 5.00 |
| PM10(µg/m³) | 19.80 | 6.00 |
| NO₂(µg/m³) | 25.60 | 7.30 |
| SO₂(µg/m³) | 2.80 | 3.00 |
| O₃(µg/m³) | 5.00 | 33.00 |
| CO(µg/m³) | 209.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Virudhunagar averaged 52 — a 9-point (17%) gap, with Dindigul the more polluted and Virudhunagar the cleaner of the two. On 82 days when both cities reported, Virudhunagar was cleaner on 69 of them; the average daily gap was 19 AQI points.
Seasonality & days
Dindigul peaks in February, while Virudhunagar peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Virudhunagar has better air quality with an AQI of 8 compared to Dindigul's 31.