Dhanbad vs Sagar
Side-by-side air quality comparison between Dhanbad and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 92.20 | 25.90 |
| PM10(µg/m³) | 100.10 | 49.60 |
| NO₂(µg/m³) | 60.10 | 14.50 |
| SO₂(µg/m³) | 187.20 | 3.20 |
| O₃(µg/m³) | 36.00 | 48.00 |
| CO(µg/m³) | 755.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Sagar averaged 96 — a 65-point (68%) gap, with Dhanbad the more polluted and Sagar the cleaner of the two. On 226 days when both cities reported, Sagar was cleaner on 178 of them; the average daily gap was 75 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; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Sagar 57 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 50 compared to Dhanbad's 208. That's a significant difference of 158 points.