Kanchipuram vs Ulhasnagar
Side-by-side air quality comparison between Kanchipuram and Ulhasnagar.
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 Ulhasnagar averaged 117 — a 66-point (129%) gap, with Ulhasnagar the more polluted and Kanchipuram the cleaner of the two. On 150 days when both cities reported, Kanchipuram was cleaner on 138 of them; the average daily gap was 80 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Ulhasnagar peaks in January. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Ulhasnagar 74 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).