Kalyān vs Ulhasnagar
Side-by-side air quality comparison between Kalyān 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, Kalyān averaged an AQI of 95 while Ulhasnagar averaged 117 — a 22-point (23%) gap, with Ulhasnagar the more polluted and Kalyān the cleaner of the two. On 351 days when both cities reported, Kalyān was cleaner on 228 of them; the average daily gap was 28 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Ulhasnagar 74 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).