Bhagalpur vs Prayagraj
Side-by-side air quality comparison between Bhagalpur and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 61.00 |
| PM10(µg/m³) | 62.60 | 73.80 |
| NO₂(µg/m³) | 14.10 | 45.90 |
| SO₂(µg/m³) | 24.00 | 15.60 |
| O₃(µg/m³) | 121.00 | 36.00 |
| CO(µg/m³) | 527.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Prayagraj averaged 80 — a 84-point (105%) gap, with Bhagalpur the more polluted and Prayagraj the cleaner of the two. On 744 days when both cities reported, Prayagraj was cleaner on 607 of them; the average daily gap was 88 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Prayagraj peaks in November. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Prayagraj 69 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Prayagraj's 104.