Hassan vs Kalyān
Side-by-side air quality comparison between Hassan and Kalyān.
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, Hassan averaged an AQI of 60 while Kalyān averaged 95 — a 35-point (58%) gap, with Kalyān the more polluted and Hassan the cleaner of the two. On 669 days when both cities reported, Hassan was cleaner on 549 of them; the average daily gap was 60 AQI points.
Seasonality & days
Hassan peaks in March, while Kalyān peaks in January. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Kalyān 78 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).