Ahmedabad vs Dindigul
Side-by-side air quality comparison between Ahmedabad 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 | Ahmedabad | Dindigul |
|---|---|---|
| PM2.5(µg/m³) | 22.60 | 18.20 |
| PM10(µg/m³) | 36.90 | 19.70 |
| NO₂(µg/m³) | 7.00 | 28.00 |
| SO₂(µg/m³) | 4.70 | 2.70 |
| O₃(µg/m³) | 40.00 | 1.00 |
| CO(µg/m³) | 159.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Dindigul averaged 61 — a 56-point (92%) gap, with Ahmedabad the more polluted and Dindigul the cleaner of the two. On 279 days when both cities reported, Dindigul was cleaner on 221 of them; the average daily gap was 90 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Dindigul peaks in February. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Dindigul was 0% Severe and 67.3% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Dindigul 22 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Dindigul has improved by 29 AQI points (32.2%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Dindigul hit AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Dindigul spans 1 stations with a 0-point spread (min 102, max 102).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Ahmedabad's 38.