Ghaziabad vs Virudhunagar
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 5.30 |
| PM10(µg/m³) | 96.40 | 6.10 |
| NO₂(µg/m³) | 27.40 | 6.70 |
| SO₂(µg/m³) | 11.00 | 3.00 |
| O₃(µg/m³) | 65.00 | 35.00 |
| CO(µg/m³) | 542.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Virudhunagar averaged 52 — a 125-point (240%) gap, with Ghaziabad the more polluted and Virudhunagar the cleaner of the two. On 195 days when both cities reported, Virudhunagar was cleaner on 193 of them; the average daily gap was 178 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); 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 Ghaziabad's 133. That's a significant difference of 124 points.