Hajipur vs Imphal
Side-by-side air quality comparison between Hajipur and Imphal.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hajipur | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 92.90 | 20.00 |
| PM10(µg/m³) | 108.50 | 26.50 |
| NO₂(µg/m³) | 29.40 | 3.90 |
| SO₂(µg/m³) | 20.10 | 2.30 |
| O₃(µg/m³) | 99.00 | 88.00 |
| CO(µg/m³) | 651.00 | 287.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Imphal averaged 110 — a 63-point (57%) gap, with Hajipur the more polluted and Imphal the cleaner of the two. On 526 days when both cities reported, Imphal was cleaner on 339 of them; the average daily gap was 75 AQI points.
Seasonality & days
Hajipur peaks in December, while Imphal peaks in October. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Imphal 103 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Imphal has better air quality with an AQI of 33 compared to Hajipur's 211. That's a significant difference of 178 points.