Ludhiana vs Udaipur
Side-by-side air quality comparison between Ludhiana and Udaipur.
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 | Udaipur |
|---|---|---|
| PM2.5(µg/m³) | 63.60 | 23.60 |
| PM10(µg/m³) | 103.10 | 33.90 |
| NO₂(µg/m³) | 21.00 | 7.70 |
| SO₂(µg/m³) | 19.20 | 8.30 |
| O₃(µg/m³) | 99.00 | 51.00 |
| CO(µg/m³) | 715.00 | 184.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Udaipur averaged 112 — a 5-point (4%) gap, with Ludhiana the more polluted and Udaipur the cleaner of the two. On 1373 days when both cities reported, Ludhiana was cleaner on 727 of them; the average daily gap was 46 AQI points.
Seasonality & days
Ludhiana peaks in November, while Udaipur peaks in January. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Udaipur 49 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).
Verdict
🏆 Udaipur has better air quality with an AQI of 39 compared to Ludhiana's 113. That's a significant difference of 74 points.