Dhanbad vs Tumkur
Side-by-side air quality comparison between Dhanbad and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 89.90 | 3.40 |
| PM10(µg/m³) | 96.90 | 4.50 |
| NO₂(µg/m³) | 54.10 | 6.40 |
| SO₂(µg/m³) | 171.70 | 1.30 |
| O₃(µg/m³) | 60.00 | 35.00 |
| CO(µg/m³) | 495.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Tumkur averaged 88 — a 73-point (83%) gap, with Dhanbad the more polluted and Tumkur the cleaner of the two. On 167 days when both cities reported, Tumkur was cleaner on 145 of them; the average daily gap was 81 AQI points.
Seasonality & days
Dhanbad peaks in November, while Tumkur peaks in December. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Tumkur 20 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Dhanbad's 200. That's a significant difference of 194 points.