Darbhanga vs Siliguri
Side-by-side air quality comparison between Darbhanga and Siliguri.
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 | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 114.10 | 82.20 |
| PM10(µg/m³) | 129.90 | 105.70 |
| NO₂(µg/m³) | 56.30 | 15.40 |
| SO₂(µg/m³) | 18.30 | 6.50 |
| O₃(µg/m³) | 16.00 | 95.00 |
| CO(µg/m³) | 816.00 | 539.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Siliguri averaged 81 — a 284-point (351%) gap, with Darbhanga the more polluted and Siliguri the cleaner of the two. On 336 days when both cities reported, Siliguri was cleaner on 308 of them; the average daily gap was 118 AQI points.
Seasonality & days
Darbhanga peaks in December, while Siliguri peaks in February. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Siliguri 180 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Siliguri has better air quality with an AQI of 174 compared to Darbhanga's 281. That's a significant difference of 107 points.