Darbhanga vs Patna
Side-by-side air quality comparison between Darbhanga and Patna.
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 | Patna |
|---|---|---|
| PM2.5(µg/m³) | 100.60 | 97.80 |
| PM10(µg/m³) | 113.20 | 109.40 |
| NO₂(µg/m³) | 27.00 | 40.50 |
| SO₂(µg/m³) | 18.40 | 18.90 |
| O₃(µg/m³) | 114.00 | 52.00 |
| CO(µg/m³) | 651.00 | 667.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Patna averaged 172 — a 193-point (112%) gap, with Darbhanga the more polluted and Patna the cleaner of the two. On 410 days when both cities reported, Darbhanga was cleaner on 330 of them; the average daily gap was 58 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Patna 30 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Patna has better air quality with an AQI of 227 compared to Darbhanga's 236.