Hajipur vs Samastipur
Side-by-side air quality comparison between Hajipur and Samastipur.
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, Hajipur averaged an AQI of 173 while Samastipur averaged 134 — a 39-point (29%) gap, with Hajipur the more polluted and Samastipur the cleaner of the two. On 769 days when both cities reported, Hajipur was cleaner on 491 of them; the average daily gap was 63 AQI points.
Seasonality & days
Hajipur peaks in December, while Samastipur peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Samastipur 9 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).