Bhagalpur vs Korba
Side-by-side air quality comparison between Bhagalpur and Korba.
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 | Bhagalpur | Korba |
|---|---|---|
| PM2.5(µg/m³) | 60.80 | 48.10 |
| PM10(µg/m³) | 65.00 | 56.60 |
| NO₂(µg/m³) | 20.50 | 15.00 |
| SO₂(µg/m³) | 25.00 | 20.40 |
| O₃(µg/m³) | 81.00 | 86.00 |
| CO(µg/m³) | 653.00 | 325.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Korba averaged 67 — a 97-point (145%) gap, with Bhagalpur the more polluted and Korba the cleaner of the two. On 690 days when both cities reported, Korba was cleaner on 649 of them; the average daily gap was 111 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Korba 83 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Korba spans 2 stations with a 13-point spread (min 62, max 75).
Verdict
🏆 Korba has better air quality with an AQI of 81 compared to Bhagalpur's 104.