Hapur vs Imphal
Side-by-side air quality comparison between Hapur 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 | Hapur | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 45.80 |
| PM10(µg/m³) | 97.30 | 53.10 |
| NO₂(µg/m³) | 36.60 | 12.00 |
| SO₂(µg/m³) | 11.50 | 2.30 |
| O₃(µg/m³) | 36.00 | 33.00 |
| CO(µg/m³) | 589.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Imphal averaged 110 — a 32-point (29%) gap, with Hapur the more polluted and Imphal the cleaner of the two. On 515 days when both cities reported, Imphal was cleaner on 298 of them; the average daily gap was 74 AQI points.
Seasonality & days
Hapur peaks in November, while Imphal peaks in October. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Imphal 103 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Imphal has better air quality with an AQI of 77 compared to Hapur's 140. That's a significant difference of 63 points.