Hisar vs Kalyān
Side-by-side air quality comparison between Hisar 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, Hisar averaged an AQI of 136 while Kalyān averaged 95 — a 41-point (43%) gap, with Hisar the more polluted and Kalyān the cleaner of the two. On 1291 days when both cities reported, Kalyān was cleaner on 951 of them; the average daily gap was 74 AQI points.
Seasonality & days
Hisar peaks in November, while Kalyān peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Kalyān 78 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).