Bhagalpur vs Sagar
Side-by-side air quality comparison between Bhagalpur and Sagar.
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 Sagar averaged 96 — a 68-point (71%) gap, with Bhagalpur the more polluted and Sagar the cleaner of the two. On 684 days when both cities reported, Sagar was cleaner on 572 of them; the average daily gap was 105 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Sagar peaks in November. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Sagar 57 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Sagar spans 2 stations with a 45-point spread (min 73, max 118).