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Ludhiana vs Sasaram

Side-by-side air quality comparison between Ludhiana and Sasaram.

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

Ludhiana

Punjab, India

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VS

Sasaram

Bihar, India

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CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2021, Ludhiana averaged an AQI of 117 while Sasaram averaged 109 — a 8-point (7%) gap, with Ludhiana the more polluted and Sasaram the cleaner of the two. On 45 days when both cities reported, Ludhiana was cleaner on 35 of them; the average daily gap was 101 AQI points.

Seasonality & days

Ludhiana peaks in November, while Sasaram peaks in January. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Sasaram 27 days.

Year-over-year progress

Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.

Station-level disparity

Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).

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