Dewās vs Dindigul
Side-by-side air quality comparison between Dewās 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 | Dewās | Dindigul |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 18.20 |
| PM10(µg/m³) | 47.00 | 19.70 |
| NO₂(µg/m³) | 6.50 | 28.00 |
| SO₂(µg/m³) | 12.50 | 2.70 |
| O₃(µg/m³) | 74.00 | 1.00 |
| CO(µg/m³) | 243.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Dindigul averaged 61 — a 37-point (61%) gap, with Dewās the more polluted and Dindigul the cleaner of the two. On 252 days when both cities reported, Dindigul was cleaner on 173 of them; the average daily gap was 72 AQI points.
Seasonality & days
Dewās peaks in December, while Dindigul peaks in February. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Dindigul was 0% Severe and 67.3% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Dindigul 22 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Dindigul has improved by 29 AQI points (32.2%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Dindigul hit AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); 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 Dewās's 55.