Bhagalpur vs Siliguri
Side-by-side air quality comparison between Bhagalpur 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, Bhagalpur averaged an AQI of 164 while Siliguri averaged 81 — a 83-point (102%) gap, with Bhagalpur the more polluted and Siliguri the cleaner of the two. On 678 days when both cities reported, Siliguri was cleaner on 647 of them; the average daily gap was 107 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Siliguri peaks in February. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Siliguri 180 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).