Hubli-Dharwad vs Tālcher
Side-by-side air quality comparison between Hubli-Dharwad and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 5.50 | 65.90 |
| PM10(µg/m³) | 8.70 | 72.20 |
| NO₂(µg/m³) | 6.00 | 25.60 |
| SO₂(µg/m³) | 1.20 | 5.80 |
| O₃(µg/m³) | 36.00 | 19.00 |
| CO(µg/m³) | 114.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Tālcher averaged 127 — a 63-point (98%) gap, with Tālcher the more polluted and Hubli-Dharwad the cleaner of the two. On 1342 days when both cities reported, Hubli-Dharwad was cleaner on 968 of them; the average daily gap was 60 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Tālcher peaks in December. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Tālcher 44 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Tālcher's 120. That's a significant difference of 111 points.