Ludhiana vs Muzaffarpur
Side-by-side air quality comparison between Ludhiana and Muzaffarpur.
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 | Ludhiana | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 120.60 |
| PM10(µg/m³) | 100.40 | 135.00 |
| NO₂(µg/m³) | 31.30 | 48.60 |
| SO₂(µg/m³) | 17.00 | 19.60 |
| O₃(µg/m³) | 62.00 | 54.00 |
| CO(µg/m³) | 748.00 | 873.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Muzaffarpur averaged 151 — a 34-point (29%) gap, with Muzaffarpur the more polluted and Ludhiana the cleaner of the two. On 1331 days when both cities reported, Ludhiana was cleaner on 964 of them; the average daily gap was 106 AQI points.
Seasonality & days
Ludhiana peaks in November, while Muzaffarpur peaks in January. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Muzaffarpur 26 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Ludhiana has better air quality with an AQI of 139 compared to Muzaffarpur's 301. That's a significant difference of 162 points.