Karnal vs Ludhiana
Side-by-side air quality comparison between Karnal 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Ludhiana averaged 117 — a 15-point (15%) gap, with Ludhiana the more polluted and Karnal the cleaner of the two. On 971 days when both cities reported, Ludhiana was cleaner on 678 of them; the average daily gap was 51 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Ludhiana 53 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).