Bhilai vs Hubli-Dharwad
Side-by-side air quality comparison between Bhilai 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 | Bhilai | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 46.40 | 5.30 |
| PM10(µg/m³) | 52.30 | 8.40 |
| NO₂(µg/m³) | 43.70 | 5.20 |
| SO₂(µg/m³) | 70.60 | 1.20 |
| O₃(µg/m³) | 42.00 | 39.00 |
| CO(µg/m³) | 675.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Hubli-Dharwad averaged 64 — a 9-point (14%) gap, with Bhilai the more polluted and Hubli-Dharwad the cleaner of the two. On 777 days when both cities reported, Bhilai was cleaner on 389 of them; the average daily gap was 40 AQI points.
Seasonality & days
Bhilai peaks in November, while Hubli-Dharwad peaks in February. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Hubli-Dharwad 180 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); 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 Bhilai's 78. That's a significant difference of 69 points.