Hajipur vs Katihar
Side-by-side air quality comparison between Hajipur and Katihar.
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 Katihar averaged 123 — a 50-point (41%) gap, with Hajipur the more polluted and Katihar the cleaner of the two. On 934 days when both cities reported, Hajipur was cleaner on 582 of them; the average daily gap was 66 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Katihar 19 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Katihar spans 1 stations with a 0-point spread (min 185, max 185).