Dhanbad vs Tiruchirappalli
Side-by-side air quality comparison between Dhanbad and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 92.20 | 6.00 |
| PM10(µg/m³) | 100.10 | 7.80 |
| NO₂(µg/m³) | 60.10 | 6.70 |
| SO₂(µg/m³) | 187.20 | 3.00 |
| O₃(µg/m³) | 36.00 | 40.00 |
| CO(µg/m³) | 755.00 | 131.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Tiruchirappalli averaged 50 — a 111-point (222%) gap, with Dhanbad the more polluted and Tiruchirappalli the cleaner of the two. On 36 days when both cities reported, Tiruchirappalli was cleaner on 36 of them; the average daily gap was 135 AQI points.
Seasonality & days
Dhanbad peaks in November, while Tiruchirappalli peaks in January. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Tiruchirappalli 46 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 10 compared to Dhanbad's 208. That's a significant difference of 198 points.