Ludhiana vs Mumbai
Side-by-side air quality comparison between Ludhiana and Mumbai.
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 | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 17.50 |
| PM10(µg/m³) | 100.40 | 40.70 |
| NO₂(µg/m³) | 31.30 | 11.00 |
| SO₂(µg/m³) | 17.00 | 12.60 |
| O₃(µg/m³) | 62.00 | 42.00 |
| CO(µg/m³) | 748.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Mumbai averaged 93 — a 24-point (26%) gap, with Ludhiana the more polluted and Mumbai the cleaner of the two. On 1407 days when both cities reported, Ludhiana was cleaner on 950 of them; the average daily gap was 66 AQI points.
Seasonality & days
Ludhiana peaks in November, while Mumbai peaks in December. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Mumbai 58 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Ludhiana's 139. That's a significant difference of 98 points.