Hubli-Dharwad vs Salem
Side-by-side air quality comparison between Hubli-Dharwad and Salem.
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 Salem averaged 68 — a 4-point (6%) gap, with Salem the more polluted and Hubli-Dharwad the cleaner of the two. On 382 days when both cities reported, Salem was cleaner on 235 of them; the average daily gap was 26 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Salem peaks in April. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Salem 17 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Salem spans 1 stations with a 0-point spread (min 73, max 73).