Ludhiana vs Visakhapatnam
Side-by-side air quality comparison between Ludhiana and Visakhapatnam.
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 | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 81.70 | 30.70 |
| PM10(µg/m³) | 109.20 | 36.10 |
| NO₂(µg/m³) | 40.40 | 24.00 |
| SO₂(µg/m³) | 15.20 | 40.50 |
| O₃(µg/m³) | 35.00 | 78.00 |
| CO(µg/m³) | 797.00 | 501.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Visakhapatnam averaged 110 — a 7-point (6%) gap, with Ludhiana the more polluted and Visakhapatnam the cleaner of the two. On 1339 days when both cities reported, Ludhiana was cleaner on 679 of them; the average daily gap was 60 AQI points.
Seasonality & days
Ludhiana peaks in November, while Visakhapatnam peaks in January. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Visakhapatnam 27 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Visakhapatnam has better air quality with an AQI of 52 compared to Ludhiana's 173. That's a significant difference of 121 points.