Charkhi Dādri vs Dindigul
Side-by-side air quality comparison between Charkhi Dādri and Dindigul.
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 | Charkhi Dādri | Dindigul |
|---|---|---|
| PM2.5(µg/m³) | 65.00 | 18.40 |
| PM10(µg/m³) | 178.80 | 19.80 |
| NO₂(µg/m³) | 15.00 | 25.60 |
| SO₂(µg/m³) | 9.50 | 2.80 |
| O₃(µg/m³) | 71.00 | 5.00 |
| CO(µg/m³) | 540.00 | 209.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Dindigul averaged 61 — a 84-point (138%) gap, with Charkhi Dādri the more polluted and Dindigul the cleaner of the two. On 271 days when both cities reported, Dindigul was cleaner on 200 of them; the average daily gap was 105 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Dindigul peaks in February. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Dindigul was 0% Severe and 67.3% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Dindigul 22 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Dindigul has improved by 29 AQI points (32.2%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Dindigul hit AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Dindigul spans 1 stations with a 0-point spread (min 102, max 102).
Verdict
🏆 Dindigul has better air quality with an AQI of 31 compared to Charkhi Dādri's 153. That's a significant difference of 122 points.