Asansol vs Bhagalpur
Side-by-side air quality comparison between Asansol and Bhagalpur.
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 | Asansol | Bhagalpur |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 60.80 |
| PM10(µg/m³) | 96.20 | 65.00 |
| NO₂(µg/m³) | 48.00 | 20.50 |
| SO₂(µg/m³) | 91.90 | 25.00 |
| O₃(µg/m³) | 58.00 | 81.00 |
| CO(µg/m³) | 838.00 | 653.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Bhagalpur averaged 164 — a 19-point (13%) gap, with Bhagalpur the more polluted and Asansol the cleaner of the two. On 710 days when both cities reported, Asansol was cleaner on 474 of them; the average daily gap was 65 AQI points.
Seasonality & days
Asansol peaks in December, while Bhagalpur peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Bhagalpur was 1.9% Severe and 19.9% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Bhagalpur 20 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Bhagalpur has improved by 123 AQI points (42.9%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Bhagalpur hit AQI 451 at Mayaganj (BSPCB) on 2022-12-30.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Bhagalpur spans 2 stations with a 26-point spread (min 170, max 196).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 104 compared to Asansol's 204. That's a significant difference of 100 points.