Dhanbad vs Nārnaul
Side-by-side air quality comparison between Dhanbad and Nārnaul.
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 | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 92.20 | 45.80 |
| PM10(µg/m³) | 100.10 | 120.10 |
| NO₂(µg/m³) | 60.10 | 21.00 |
| SO₂(µg/m³) | 187.20 | 7.10 |
| O₃(µg/m³) | 36.00 | 63.00 |
| CO(µg/m³) | 755.00 | 386.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Nārnaul averaged 94 — a 67-point (71%) gap, with Dhanbad the more polluted and Nārnaul the cleaner of the two. On 187 days when both cities reported, Nārnaul was cleaner on 163 of them; the average daily gap was 86 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; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Nārnaul 63 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Nārnaul has better air quality with an AQI of 114 compared to Dhanbad's 208. That's a significant difference of 94 points.