Hubli-Dharwad vs Siwan
Side-by-side air quality comparison between Hubli-Dharwad and Siwan.
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 Siwan averaged 148 — a 84-point (131%) gap, with Siwan the more polluted and Hubli-Dharwad the cleaner of the two. On 768 days when both cities reported, Hubli-Dharwad was cleaner on 700 of them; the average daily gap was 111 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Siwan peaks in January. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Siwan 13 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Siwan spans 1 stations with a 0-point spread (min 197, max 197).