Imphal vs Koppal
Side-by-side air quality comparison between Imphal and Koppal.
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 | Koppal |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 5.70 |
| PM10(µg/m³) | 53.10 | 8.70 |
| NO₂(µg/m³) | 12.00 | 7.50 |
| SO₂(µg/m³) | 2.30 | 1.30 |
| O₃(µg/m³) | 33.00 | 35.00 |
| CO(µg/m³) | 414.00 | 145.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Koppal averaged 65 — a 45-point (69%) gap, with Imphal the more polluted and Koppal the cleaner of the two. On 427 days when both cities reported, Koppal was cleaner on 351 of them; the average daily gap was 51 AQI points.
Seasonality & days
Imphal peaks in October, while Koppal peaks in February. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Koppal was 0% Severe and 85.5% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Koppal 47 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Koppal has improved by 31 AQI points (32.3%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Koppal hit AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Koppal spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Imphal's 77. That's a significant difference of 67 points.