Hisar vs Sasaram
Side-by-side air quality comparison between Hisar and Sasaram.
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 Sasaram averaged 109 — a 27-point (25%) gap, with Hisar the more polluted and Sasaram the cleaner of the two. On 596 days when both cities reported, Sasaram was cleaner on 387 of them; the average daily gap was 63 AQI points.
Seasonality & days
Hisar peaks in November, while Sasaram peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Sasaram 27 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).