Bikaner vs Hubli-Dharwad
Side-by-side air quality comparison between Bikaner 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 | Bikaner | Hubli-Dharwad |
|---|---|---|
| CO(ppb) | 362.40 | 111.00 |
| NO2(ppb) | 16.68 | 1.10 |
| O3(ppb) | 34.65 | 72.00 |
| PM10(µg/m³) | 210.26 | 8.30 |
| PM2.5(µg/m³) | 23.90 | 3.90 |
| SO2(ppb) | 0.12 | 0.70 |
| NH3(ppb) | 28.66 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Hubli-Dharwad averaged 64 — a 90-point (141%) gap, with Bikaner the more polluted and Hubli-Dharwad the cleaner of the two. On 659 days when both cities reported, Hubli-Dharwad was cleaner on 596 of them; the average daily gap was 86 AQI points.
Seasonality & days
Bikaner peaks in January, while Hubli-Dharwad peaks in February. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Hubli-Dharwad 180 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 8 compared to Bikaner's 174. That's a significant difference of 166 points.