Hubli-Dharwad vs Ramanathapuram
Side-by-side air quality comparison between Hubli-Dharwad and Ramanathapuram.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Ramanathapuram averaged 42 — a 22-point (52%) gap, with Hubli-Dharwad the more polluted and Ramanathapuram the cleaner of the two. On 698 days when both cities reported, Ramanathapuram was cleaner on 620 of them; the average daily gap was 44 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Ramanathapuram peaks in January. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Ramanathapuram 46 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).