Dhanbad vs Ratlam
Side-by-side air quality comparison between Dhanbad and Ratlam.
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 | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 89.90 | 25.00 |
| PM10(µg/m³) | 96.90 | 40.30 |
| NO₂(µg/m³) | 54.10 | 8.90 |
| SO₂(µg/m³) | 171.70 | 16.30 |
| O₃(µg/m³) | 60.00 | 44.00 |
| CO(µg/m³) | 495.00 | 194.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Ratlam averaged 113 — a 48-point (42%) gap, with Dhanbad the more polluted and Ratlam the cleaner of the two. On 214 days when both cities reported, Ratlam was cleaner on 169 of them; the average daily gap was 63 AQI points.
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; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Ratlam 59 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Ratlam has better air quality with an AQI of 42 compared to Dhanbad's 200. That's a significant difference of 158 points.