Kolār vs Ludhiana
Side-by-side air quality comparison between Kolār 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 | Kolār | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 71.50 |
| PM10(µg/m³) | 6.20 | 100.40 |
| NO₂(µg/m³) | 8.80 | 31.30 |
| SO₂(µg/m³) | 4.30 | 17.00 |
| O₃(µg/m³) | 34.00 | 62.00 |
| CO(µg/m³) | 183.00 | 748.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Ludhiana averaged 117 — a 52-point (80%) gap, with Ludhiana the more polluted and Kolār the cleaner of the two. On 616 days when both cities reported, Kolār was cleaner on 487 of them; the average daily gap was 64 AQI points.
Seasonality & days
Kolār peaks in September, while Ludhiana peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Ludhiana 53 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Kolār has better air quality with an AQI of 9 compared to Ludhiana's 139. That's a significant difference of 130 points.