Coimbatore vs Hajipur
Side-by-side air quality comparison between Coimbatore and Hajipur.
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, Coimbatore averaged an AQI of 66 while Hajipur averaged 173 — a 107-point (162%) gap, with Hajipur the more polluted and Coimbatore the cleaner of the two. On 743 days when both cities reported, Coimbatore was cleaner on 646 of them; the average daily gap was 90 AQI points.
Seasonality & days
Coimbatore peaks in November, while Hajipur peaks in December. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Hajipur 36 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).