Dewās vs Tālcher
Side-by-side air quality comparison between Dewās and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 66.60 |
| PM10(µg/m³) | 47.80 | 72.90 |
| NO₂(µg/m³) | 7.10 | 20.10 |
| SO₂(µg/m³) | 15.10 | 10.00 |
| O₃(µg/m³) | 66.00 | 60.00 |
| CO(µg/m³) | 208.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Tālcher averaged 127 — a 29-point (30%) gap, with Tālcher the more polluted and Dewās the cleaner of the two. On 1555 days when both cities reported, Dewās was cleaner on 971 of them; the average daily gap was 55 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Tālcher 44 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Dewās has better air quality with an AQI of 53 compared to Tālcher's 123. That's a significant difference of 70 points.