Bangalore vs Ludhiana
Side-by-side air quality comparison between Bangalore 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 | Bangalore | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 71.50 |
| PM10(µg/m³) | 5.60 | 100.40 |
| NO₂(µg/m³) | 9.50 | 31.30 |
| SO₂(µg/m³) | 4.20 | 17.00 |
| O₃(µg/m³) | 35.00 | 62.00 |
| CO(µg/m³) | 290.00 | 748.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Ludhiana averaged 117 — a 43-point (58%) gap, with Ludhiana the more polluted and Bangalore the cleaner of the two. On 1533 days when both cities reported, Ludhiana was cleaner on 843 of them; the average daily gap was 60 AQI points.
Seasonality & days
Bangalore peaks in March, while Ludhiana peaks in November. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Ludhiana 53 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Ludhiana's 139. That's a significant difference of 130 points.