Ludhiana vs Nagpur
Side-by-side air quality comparison between Ludhiana and Nagpur.
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 Nagpur averaged 104 — a 13-point (13%) gap, with Ludhiana the more polluted and Nagpur the cleaner of the two. On 1082 days when both cities reported, Nagpur was cleaner on 656 of them; the average daily gap was 57 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Nagpur was 0% Severe and 60.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Nagpur 68 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Nagpur has improved by 37 AQI points (26.2%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Nagpur hit AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Nagpur spans 4 stations with a 9-point spread (min 98, max 107).