Darbhanga vs Nalbāri
Side-by-side air quality comparison between Darbhanga and Nalbāri.
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 | Nalbāri |
|---|---|---|
| PM2.5(µg/m³) | 111.50 | 54.50 |
| PM10(µg/m³) | 122.90 | 61.20 |
| NO₂(µg/m³) | 42.70 | 6.50 |
| SO₂(µg/m³) | 18.40 | 5.80 |
| O₃(µg/m³) | 61.00 | 123.00 |
| CO(µg/m³) | 767.00 | 407.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Nalbāri averaged 129 — a 236-point (183%) gap, with Darbhanga the more polluted and Nalbāri the cleaner of the two. On 46 days when both cities reported, Nalbāri was cleaner on 45 of them; the average daily gap was 173 AQI points.
Seasonality & days
Darbhanga peaks in December, while Nalbāri peaks in January. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Nalbāri 18 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).
Verdict
🏆 Nalbāri has better air quality with an AQI of 91 compared to Darbhanga's 272. That's a significant difference of 181 points.