Tumkur vs Virudhunagar
Side-by-side air quality comparison between Tumkur 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 | Tumkur | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 3.40 | 5.30 |
| PM10(µg/m³) | 4.50 | 6.10 |
| NO₂(µg/m³) | 6.40 | 6.70 |
| SO₂(µg/m³) | 1.30 | 3.00 |
| O₃(µg/m³) | 35.00 | 35.00 |
| CO(µg/m³) | 124.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tumkur averaged an AQI of 88 while Virudhunagar averaged 52 — a 36-point (69%) gap, with Tumkur the more polluted and Virudhunagar the cleaner of the two. On 154 days when both cities reported, Virudhunagar was cleaner on 120 of them; the average daily gap was 48 AQI points.
Seasonality & days
Tumkur peaks in December, while Virudhunagar peaks in November. Tumkur logged 0% Severe days and 54% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Tumkur 20 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Tumkur reached AQI 355 at Thimmalapura (KSPCB) on 2023-02-15; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Tumkur spans 1 CPCB stations with a 0-point spread (min 97, max 97); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Virudhunagar's 9.