Dewās vs Tiruchirappalli
Side-by-side air quality comparison between Dewās 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Tiruchirappalli averaged 50 — a 48-point (96%) gap, with Dewās the more polluted and Tiruchirappalli the cleaner of the two. On 85 days when both cities reported, Tiruchirappalli was cleaner on 81 of them; the average daily gap was 83 AQI points.
Seasonality & days
Dewās peaks in December, while Tiruchirappalli peaks in January. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Tiruchirappalli 46 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).