Darbhanga vs Guwahati
Side-by-side air quality comparison between Darbhanga and Guwahati.
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 | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 111.50 | 31.90 |
| PM10(µg/m³) | 122.90 | 36.00 |
| NO₂(µg/m³) | 42.70 | 5.40 |
| SO₂(µg/m³) | 18.40 | 4.20 |
| O₃(µg/m³) | 61.00 | 97.00 |
| CO(µg/m³) | 767.00 | 393.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Guwahati averaged 123 — a 242-point (197%) gap, with Darbhanga the more polluted and Guwahati the cleaner of the two. On 408 days when both cities reported, Guwahati was cleaner on 319 of them; the average daily gap was 91 AQI points.
Seasonality & days
Darbhanga peaks in December, while Guwahati peaks in January. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Guwahati 105 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Guwahati has better air quality with an AQI of 54 compared to Darbhanga's 272. That's a significant difference of 218 points.