Chapra vs Hubli-Dharwad
Side-by-side air quality comparison between Chapra 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 | Chapra | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 5.50 |
| PM10(µg/m³) | 115.50 | 8.70 |
| NO₂(µg/m³) | 53.70 | 6.00 |
| SO₂(µg/m³) | 13.70 | 1.20 |
| O₃(µg/m³) | 10.00 | 36.00 |
| CO(µg/m³) | 858.00 | 114.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Hubli-Dharwad averaged 64 — a 85-point (133%) gap, with Chapra the more polluted and Hubli-Dharwad the cleaner of the two. On 911 days when both cities reported, Hubli-Dharwad was cleaner on 810 of them; the average daily gap was 114 AQI points.
Seasonality & days
Chapra peaks in January, while Hubli-Dharwad peaks in February. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Hubli-Dharwad 180 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); 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 Chapra's 231. That's a significant difference of 222 points.