Darbhanga vs Prayagraj
Side-by-side air quality comparison between Darbhanga 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 | Darbhanga | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 114.10 | 80.10 |
| PM10(µg/m³) | 129.90 | 101.50 |
| NO₂(µg/m³) | 56.30 | 63.30 |
| SO₂(µg/m³) | 18.30 | 16.20 |
| O₃(µg/m³) | 16.00 | 1.00 |
| CO(µg/m³) | 816.00 | 275.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Prayagraj averaged 80 — a 285-point (356%) gap, with Darbhanga the more polluted and Prayagraj the cleaner of the two. On 395 days when both cities reported, Prayagraj was cleaner on 273 of them; the average daily gap was 87 AQI points.
Seasonality & days
Darbhanga peaks in December, while Prayagraj peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Prayagraj 69 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Prayagraj has better air quality with an AQI of 167 compared to Darbhanga's 281. That's a significant difference of 114 points.