Ludhiana vs Tumkur
Side-by-side air quality comparison between Ludhiana and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 42.00 | 1.80 |
| PM10(µg/m³) | 72.60 | 2.50 |
| NO₂(µg/m³) | 2.20 | 1.00 |
| SO₂(µg/m³) | 11.60 | 0.70 |
| O₃(µg/m³) | 197.00 | 77.00 |
| CO(µg/m³) | 351.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Tumkur averaged 88 — a 29-point (33%) gap, with Ludhiana the more polluted and Tumkur the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Tumkur peaks in December. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Tumkur 20 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 3 compared to Ludhiana's 73. That's a significant difference of 70 points.