Dhanbad vs Ludhiana
Side-by-side air quality comparison between Dhanbad 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 | Dhanbad | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 58.80 | 43.20 |
| PM10(µg/m³) | 76.60 | 65.90 |
| NO₂(µg/m³) | 8.00 | 2.70 |
| SO₂(µg/m³) | 51.50 | 11.00 |
| O₃(µg/m³) | 230.00 | 188.00 |
| CO(µg/m³) | 200.00 | 342.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Ludhiana averaged 117 — a 44-point (38%) gap, with Dhanbad the more polluted and Ludhiana the cleaner of the two.
Seasonality & days
Both cities see their worst air in November on average. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Ludhiana 53 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Ludhiana has better air quality with an AQI of 73 compared to Dhanbad's 98.