Chandigarh vs Kanchipuram
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Kanchipuram |
|---|---|---|
| PM2.5(µg/m³) | 40.70 | 8.50 |
| PM10(µg/m³) | 61.70 | 10.30 |
| NO₂(µg/m³) | 17.10 | 8.20 |
| SO₂(µg/m³) | 13.10 | 4.50 |
| O₃(µg/m³) | 121.00 | 50.00 |
| CO(µg/m³) | 512.00 | 224.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Kanchipuram averaged 51 — a 102-point (200%) gap, with Chandigarh the more polluted and Kanchipuram the cleaner of the two. On 347 days when both cities reported, Kanchipuram was cleaner on 342 of them; the average daily gap was 127 AQI points.
Seasonality & days
Chandigarh peaks in January, while Kanchipuram peaks in February. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Kanchipuram 18 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 14 compared to Chandigarh's 68. That's a significant difference of 54 points.