Bihar Sharif vs Ludhiana
Side-by-side air quality comparison between Bihar Sharif 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 | Bihar Sharif | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 71.50 |
| PM10(µg/m³) | 79.40 | 100.40 |
| NO₂(µg/m³) | 27.20 | 31.30 |
| SO₂(µg/m³) | 14.60 | 17.00 |
| O₃(µg/m³) | 64.00 | 62.00 |
| CO(µg/m³) | 543.00 | 748.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Ludhiana averaged 117 — a 2-point (2%) gap, with Ludhiana the more polluted and Bihar Sharif the cleaner of the two. On 41 days when both cities reported, Ludhiana was cleaner on 37 of them; the average daily gap was 109 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Ludhiana peaks in November. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Ludhiana 53 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Ludhiana has better air quality with an AQI of 139 compared to Bihar Sharif's 140.