Hubli-Dharwad vs Imphal
Side-by-side air quality comparison between Hubli-Dharwad 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 | Hubli-Dharwad | Imphal |
|---|---|---|
| PM2.5(µg/m³) | 5.50 | 45.80 |
| PM10(µg/m³) | 8.80 | 53.10 |
| NO₂(µg/m³) | 6.40 | 12.00 |
| SO₂(µg/m³) | 1.10 | 2.30 |
| O₃(µg/m³) | 37.00 | 33.00 |
| CO(µg/m³) | 111.00 | 414.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Imphal averaged 110 — a 46-point (72%) gap, with Imphal the more polluted and Hubli-Dharwad the cleaner of the two. On 517 days when both cities reported, Hubli-Dharwad was cleaner on 442 of them; the average daily gap was 50 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Imphal peaks in October. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Imphal 103 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Imphal spans 2 stations with a 4-point spread (min 97, max 101).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Imphal's 77. That's a significant difference of 68 points.