Kalyān vs Kanchipuram
Side-by-side air quality comparison between Kalyān 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Kanchipuram averaged 51 — a 44-point (86%) gap, with Kalyān the more polluted and Kanchipuram the cleaner of the two. On 134 days when both cities reported, Kanchipuram was cleaner on 126 of them; the average daily gap was 75 AQI points.
Seasonality & days
Kalyān peaks in January, while Kanchipuram peaks in February. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Kanchipuram 18 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).