Dhanbad vs Guwahati
Side-by-side air quality comparison between Dhanbad and Guwahati.
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 | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 92.20 | 32.70 |
| PM10(µg/m³) | 100.10 | 36.10 |
| NO₂(µg/m³) | 60.10 | 6.40 |
| SO₂(µg/m³) | 187.20 | 4.00 |
| O₃(µg/m³) | 36.00 | 84.00 |
| CO(µg/m³) | 755.00 | 393.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Guwahati averaged 123 — a 38-point (31%) gap, with Dhanbad the more polluted and Guwahati the cleaner of the two. On 226 days when both cities reported, Dhanbad was cleaner on 113 of them; the average daily gap was 87 AQI points.
Seasonality & days
Dhanbad peaks in November, while Guwahati peaks in January. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Guwahati 105 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Guwahati has better air quality with an AQI of 55 compared to Dhanbad's 208. That's a significant difference of 153 points.