Howrah vs Sasaram
Side-by-side air quality comparison between Howrah 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, Howrah averaged an AQI of 126 while Sasaram averaged 109 — a 17-point (16%) gap, with Howrah the more polluted and Sasaram the cleaner of the two. On 674 days when both cities reported, Sasaram was cleaner on 431 of them; the average daily gap was 68 AQI points.
Seasonality & days
Howrah peaks in December, while Sasaram peaks in January. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Sasaram 27 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).