Asansol vs Hisar
Side-by-side air quality comparison between Asansol and Hisar.
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, Asansol averaged an AQI of 145 while Hisar averaged 136 — a 9-point (7%) gap, with Asansol the more polluted and Hisar the cleaner of the two. On 1561 days when both cities reported, Asansol was cleaner on 1009 of them; the average daily gap was 76 AQI points.
Seasonality & days
Asansol peaks in December, while Hisar peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Hisar 34 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Hisar spans 1 stations with a 0-point spread (min 168, max 168).