Hubli-Dharwad vs Katni
Side-by-side air quality comparison between Hubli-Dharwad and Katni.
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 | Katni |
|---|---|---|
| PM2.5(µg/m³) | 3.90 | 27.90 |
| PM10(µg/m³) | 8.30 | 76.10 |
| NO₂(µg/m³) | 1.10 | 0.50 |
| SO₂(µg/m³) | 0.70 | 4.30 |
| O₃(µg/m³) | 72.00 | 129.00 |
| CO(µg/m³) | 111.00 | 181.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Katni averaged 105 — a 41-point (64%) gap, with Katni the more polluted and Hubli-Dharwad the cleaner of the two. On 1653 days when both cities reported, Hubli-Dharwad was cleaner on 1364 of them; the average daily gap was 69 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Katni peaks in November. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Katni was 0% Severe and 39.3% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Katni 62 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Katni has improved by 93 AQI points (47%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Katni hit AQI 350 at Gole Bazar (MPPCB) on 2019-11-01.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Katni spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 8 compared to Katni's 77. That's a significant difference of 69 points.