Bilaspur vs Hubli-Dharwad
Side-by-side air quality comparison between Bilaspur and Hubli-Dharwad.
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 | Bilaspur | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 5.30 |
| PM10(µg/m³) | 47.40 | 8.40 |
| NO₂(µg/m³) | 22.60 | 5.20 |
| SO₂(µg/m³) | 15.90 | 1.20 |
| O₃(µg/m³) | 56.00 | 39.00 |
| CO(µg/m³) | 481.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Hubli-Dharwad averaged 64 — a 3-point (5%) gap, with Hubli-Dharwad the more polluted and Bilaspur the cleaner of the two. On 944 days when both cities reported, Bilaspur was cleaner on 557 of them; the average daily gap was 30 AQI points.
Seasonality & days
Bilaspur peaks in December, while Hubli-Dharwad peaks in February. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Hubli-Dharwad 180 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Hubli-Dharwad spans 2 stations with a 6-point spread (min 73, max 79).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Bilaspur's 65. That's a significant difference of 56 points.