Imphal vs Mumbai
Side-by-side air quality comparison between Imphal and Mumbai.
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 | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 17.50 |
| PM10(µg/m³) | 44.50 | 40.70 |
| NO₂(µg/m³) | 7.20 | 11.00 |
| SO₂(µg/m³) | 2.20 | 12.60 |
| O₃(µg/m³) | 60.00 | 42.00 |
| CO(µg/m³) | 323.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Mumbai averaged 93 — a 17-point (18%) gap, with Imphal the more polluted and Mumbai the cleaner of the two. On 551 days when both cities reported, Imphal was cleaner on 436 of them; the average daily gap was 96 AQI points.
Seasonality & days
Imphal peaks in October, while Mumbai peaks in December. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Mumbai 58 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Imphal's 61.