Ludhiana vs Patiala
Side-by-side air quality comparison between Ludhiana and Patiala.
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 | Patiala |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 79.40 |
| PM10(µg/m³) | 100.40 | 380.90 |
| NO₂(µg/m³) | 31.30 | 13.60 |
| SO₂(µg/m³) | 17.00 | 13.50 |
| O₃(µg/m³) | 62.00 | 90.00 |
| CO(µg/m³) | 748.00 | 640.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Patiala averaged 103 — a 14-point (14%) gap, with Ludhiana the more polluted and Patiala the cleaner of the two. On 1303 days when both cities reported, Patiala was cleaner on 704 of them; the average daily gap was 30 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; Patiala was 0.1% Severe and 54.8% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Patiala 86 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Patiala has worsened by 8 AQI points (8.4%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Patiala hit AQI 415 at Model Town (PPCB) on 2019-11-03.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Patiala spans 1 stations with a 0-point spread (min 104, max 104).
Verdict
🏆 Ludhiana has better air quality with an AQI of 139 compared to Patiala's 339. That's a significant difference of 200 points.