Ludhiana vs Solapur
Side-by-side air quality comparison between Ludhiana and Solapur.
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 | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 63.60 | 13.60 |
| PM10(µg/m³) | 103.10 | 22.30 |
| NO₂(µg/m³) | 21.00 | 6.60 |
| SO₂(µg/m³) | 19.20 | 3.10 |
| O₃(µg/m³) | 99.00 | 46.00 |
| CO(µg/m³) | 715.00 | 150.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Solapur averaged 96 — a 21-point (22%) gap, with Ludhiana the more polluted and Solapur the cleaner of the two. On 1022 days when both cities reported, Solapur was cleaner on 576 of them; the average daily gap was 50 AQI points.
Seasonality & days
Ludhiana peaks in November, while Solapur peaks in March. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Solapur 61 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Solapur spans 3 stations with a 10-point spread (min 88, max 98).
Verdict
🏆 Solapur has better air quality with an AQI of 23 compared to Ludhiana's 113. That's a significant difference of 90 points.