Ludhiana vs Nalbāri
Side-by-side air quality comparison between Ludhiana 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Nalbāri averaged 129 — a 12-point (10%) gap, with Nalbāri the more polluted and Ludhiana the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Nalbāri peaks in January. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Nalbāri 18 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).