Ghaziabad vs Kanchipuram
Side-by-side air quality comparison between Ghaziabad and Kanchipuram.
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 | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 71.20 | 9.70 |
| PM10(µg/m³) | 96.40 | 11.70 |
| NO₂(µg/m³) | 33.50 | 12.20 |
| SO₂(µg/m³) | 11.10 | 4.60 |
| O₃(µg/m³) | 42.00 | 41.00 |
| CO(µg/m³) | 548.00 | 265.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Kanchipuram averaged 51 — a 126-point (247%) gap, with Ghaziabad the more polluted and Kanchipuram the cleaner of the two. On 141 days when both cities reported, Kanchipuram was cleaner on 140 of them; the average daily gap was 207 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Kanchipuram peaks in February. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Kanchipuram 18 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Ghaziabad's 138. That's a significant difference of 122 points.