Dhanbad vs Sasaram
Side-by-side air quality comparison between Dhanbad and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 100.40 | 66.80 |
| PM10(µg/m³) | 108.70 | 78.90 |
| NO₂(µg/m³) | 59.30 | 22.70 |
| SO₂(µg/m³) | 192.90 | 14.20 |
| O₃(µg/m³) | 39.00 | 77.00 |
| CO(µg/m³) | 581.00 | 666.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Sasaram averaged 109 — a 52-point (48%) gap, with Dhanbad the more polluted and Sasaram the cleaner of the two. On 199 days when both cities reported, Sasaram was cleaner on 148 of them; the average daily gap was 70 AQI points.
Seasonality & days
Dhanbad peaks in November, while Sasaram peaks in January. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Sasaram 27 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 123 compared to Dhanbad's 235. That's a significant difference of 112 points.