Darbhanga vs Ludhiana
Side-by-side air quality comparison between Darbhanga and Ludhiana.
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 | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 42.00 |
| PM10(µg/m³) | 94.80 | 72.60 |
| NO₂(µg/m³) | 1.20 | 2.20 |
| SO₂(µg/m³) | 14.50 | 11.60 |
| O₃(µg/m³) | 225.00 | 197.00 |
| CO(µg/m³) | 284.00 | 351.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Ludhiana averaged 117 — a 248-point (212%) gap, with Darbhanga the more polluted and Ludhiana the cleaner of the two. On 66 days when both cities reported, Ludhiana was cleaner on 51 of them; the average daily gap was 107 AQI points.
Seasonality & days
Darbhanga peaks in December, while Ludhiana peaks in November. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Ludhiana 53 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Ludhiana has better air quality with an AQI of 73 compared to Darbhanga's 133. That's a significant difference of 60 points.