Delhi vs Virudhunagar
Side-by-side air quality comparison between Delhi 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 | Delhi | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 78.50 | 2.90 |
| PM10(µg/m³) | 302.70 | 3.70 |
| NO₂(µg/m³) | 5.40 | 1.20 |
| SO₂(µg/m³) | 29.40 | 1.10 |
| O₃(µg/m³) | 249.00 | 80.00 |
| CO(µg/m³) | 387.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Virudhunagar averaged 52 — a 158-point (304%) gap, with Delhi the more polluted and Virudhunagar the cleaner of the two. On 195 days when both cities reported, Virudhunagar was cleaner on 194 of them; the average daily gap was 270 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); 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 Delhi's 253. That's a significant difference of 248 points.