Thanjavur vs Virudhunagar
Side-by-side air quality comparison between Thanjavur 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 | Thanjavur | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 11.30 | 5.30 |
| PM10(µg/m³) | 13.50 | 6.30 |
| NO₂(µg/m³) | 11.10 | 7.50 |
| SO₂(µg/m³) | 3.80 | 2.90 |
| O₃(µg/m³) | 34.00 | 34.00 |
| CO(µg/m³) | 157.00 | 128.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Thanjavur averaged an AQI of 42 while Virudhunagar averaged 52 — a 10-point (24%) gap, with Virudhunagar the more polluted and Thanjavur the cleaner of the two. On 61 days when both cities reported, Thanjavur was cleaner on 36 of them; the average daily gap was 29 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Thanjavur logged 0% Severe days and 98.60000000000001% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Thanjavur 21 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Thanjavur reached AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Thanjavur spans 1 CPCB stations with a 0-point spread (min 42, max 42); 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 Thanjavur's 19.