Ludhiana vs Sonipat
Side-by-side air quality comparison between Ludhiana and Sonipat.
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 | Ludhiana | Sonipat |
|---|---|---|
| PM2.5(µg/m³) | 81.70 | 78.20 |
| PM10(µg/m³) | 109.20 | 154.10 |
| NO₂(µg/m³) | 40.40 | 47.90 |
| SO₂(µg/m³) | 15.20 | 33.40 |
| O₃(µg/m³) | 35.00 | 43.00 |
| CO(µg/m³) | 797.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Sonipat averaged 134 — a 17-point (15%) gap, with Sonipat the more polluted and Ludhiana the cleaner of the two. On 952 days when both cities reported, Ludhiana was cleaner on 824 of them; the average daily gap was 67 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; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Sonipat 21 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Sonipat has better air quality with an AQI of 161 compared to Ludhiana's 173.