Bihar Sharif vs Howrah
Side-by-side air quality comparison between Bihar Sharif and Howrah.
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, Bihar Sharif averaged an AQI of 115 while Howrah averaged 126 — a 11-point (10%) gap, with Howrah the more polluted and Bihar Sharif the cleaner of the two. On 594 days when both cities reported, Bihar Sharif was cleaner on 317 of them; the average daily gap was 78 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Howrah 120 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Howrah spans 5 stations with a 116-point spread (min 111, max 227).