Hubli-Dharwad vs Shillong
Side-by-side air quality comparison between Hubli-Dharwad and Shillong.
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 | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 5.30 | 17.90 |
| PM10(µg/m³) | 8.40 | 21.40 |
| NO₂(µg/m³) | 5.20 | 3.10 |
| SO₂(µg/m³) | 1.20 | 6.20 |
| O₃(µg/m³) | 39.00 | 118.00 |
| CO(µg/m³) | 117.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Shillong averaged 75 — a 11-point (17%) gap, with Shillong the more polluted and Hubli-Dharwad the cleaner of the two. On 891 days when both cities reported, Shillong was cleaner on 747 of them; the average daily gap was 39 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Shillong 113 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Shillong's 30.