Sasaram vs Siliguri
Side-by-side air quality comparison between Sasaram and Siliguri.
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, Sasaram averaged an AQI of 109 while Siliguri averaged 81 — a 28-point (35%) gap, with Sasaram the more polluted and Siliguri the cleaner of the two. On 619 days when both cities reported, Siliguri was cleaner on 463 of them; the average daily gap was 70 AQI points.
Seasonality & days
Sasaram peaks in January, while Siliguri peaks in February. Sasaram logged 0.1% Severe days and 37% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Sasaram 27 days, Siliguri 180 days.
Year-over-year progress
Sasaram has improved by 166 AQI points (60.4%) from 2021 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Sasaram reached AQI 401 at Dada Peer (BSPCB) on 2021-11-28; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Sasaram spans 1 CPCB stations with a 0-point spread (min 148, max 148); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).