Dewās vs Thiruvananthapuram
Side-by-side air quality comparison between Dewās and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 5.30 |
| PM10(µg/m³) | 47.80 | 9.50 |
| NO₂(µg/m³) | 7.10 | 1.50 |
| SO₂(µg/m³) | 15.10 | 0.40 |
| O₃(µg/m³) | 66.00 | 38.00 |
| CO(µg/m³) | 208.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Thiruvananthapuram averaged 56 — a 42-point (75%) gap, with Dewās the more polluted and Thiruvananthapuram the cleaner of the two. On 2069 days when both cities reported, Thiruvananthapuram was cleaner on 1627 of them; the average daily gap was 49 AQI points.
Seasonality & days
Dewās peaks in December, while Thiruvananthapuram peaks in January. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Thiruvananthapuram 172 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Dewās's 53.