Dhanbad vs Tirunelveli
Side-by-side air quality comparison between Dhanbad and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 89.90 | 4.40 |
| PM10(µg/m³) | 96.90 | 5.20 |
| NO₂(µg/m³) | 54.10 | 5.50 |
| SO₂(µg/m³) | 171.70 | 1.80 |
| O₃(µg/m³) | 60.00 | 30.00 |
| CO(µg/m³) | 495.00 | 151.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Tirunelveli averaged 30 — a 131-point (437%) gap, with Dhanbad the more polluted and Tirunelveli the cleaner of the two. On 24 days when both cities reported, Tirunelveli was cleaner on 24 of them; the average daily gap was 166 AQI points.
Seasonality & days
Dhanbad peaks in November, while Tirunelveli peaks in October. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Dhanbad's 200. That's a significant difference of 193 points.