Katni vs Ludhiana
Side-by-side air quality comparison between Katni and Ludhiana.
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 | Katni | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 31.80 | 81.70 |
| PM10(µg/m³) | 51.90 | 109.20 |
| NO₂(µg/m³) | 19.50 | 40.40 |
| SO₂(µg/m³) | 5.50 | 15.20 |
| O₃(µg/m³) | 47.00 | 35.00 |
| CO(µg/m³) | 201.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Ludhiana averaged 117 — a 12-point (11%) gap, with Ludhiana the more polluted and Katni the cleaner of the two. On 799 days when both cities reported, Ludhiana was cleaner on 543 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Ludhiana 53 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Katni has better air quality with an AQI of 54 compared to Ludhiana's 173. That's a significant difference of 119 points.