Kanchipuram vs Puducherry
Side-by-side air quality comparison between Kanchipuram and Puducherry.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Puducherry averaged 55 — a 4-point (8%) gap, with Puducherry the more polluted and Kanchipuram the cleaner of the two. On 338 days when both cities reported, Kanchipuram was cleaner on 183 of them; the average daily gap was 23 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Puducherry peaks in December. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Puducherry 117 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).