Hajipur vs Perundurai
Side-by-side air quality comparison between Hajipur and Perundurai.
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 Perundurai averaged 75 — a 98-point (131%) gap, with Hajipur the more polluted and Perundurai the cleaner of the two. On 55 days when both cities reported, Perundurai was cleaner on 55 of them; the average daily gap was 215 AQI points.
Seasonality & days
Hajipur peaks in December, while Perundurai peaks in November. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).