Bhagalpur vs Chapra
Side-by-side air quality comparison between Bhagalpur and Chapra.
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 | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 90.30 |
| PM10(µg/m³) | 62.60 | 108.00 |
| NO₂(µg/m³) | 14.10 | 30.10 |
| SO₂(µg/m³) | 24.00 | 16.70 |
| O₃(µg/m³) | 121.00 | 89.00 |
| CO(µg/m³) | 527.00 | 709.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Chapra averaged 149 — a 15-point (10%) gap, with Bhagalpur the more polluted and Chapra the cleaner of the two. On 942 days when both cities reported, Chapra was cleaner on 497 of them; the average daily gap was 46 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; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Chapra 14 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Chapra's 202. That's a significant difference of 108 points.