Imphal vs Kalyān
Side-by-side air quality comparison between Imphal and Kalyān.
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 | Imphal | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 23.70 |
| PM10(µg/m³) | 44.50 | 40.90 |
| NO₂(µg/m³) | 7.20 | 20.60 |
| SO₂(µg/m³) | 2.20 | 23.00 |
| O₃(µg/m³) | 60.00 | 23.00 |
| CO(µg/m³) | 323.00 | 186.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Kalyān averaged 95 — a 15-point (16%) gap, with Imphal the more polluted and Kalyān the cleaner of the two. On 508 days when both cities reported, Kalyān was cleaner on 280 of them; the average daily gap was 50 AQI points.
Seasonality & days
Imphal peaks in October, while Kalyān peaks in January. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Kalyān 78 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Kalyān has better air quality with an AQI of 41 compared to Imphal's 61.