Kalyān vs Puducherry
Side-by-side air quality comparison between Kalyān 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, Kalyān averaged an AQI of 95 while Puducherry averaged 55 — a 40-point (73%) gap, with Kalyān the more polluted and Puducherry the cleaner of the two. On 894 days when both cities reported, Puducherry was cleaner on 756 of them; the average daily gap was 73 AQI points.
Seasonality & days
Kalyān peaks in January, while Puducherry peaks in December. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Puducherry 117 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).