Dewās vs Ujjain
Side-by-side air quality comparison between Dewās and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 29.30 |
| PM10(µg/m³) | 47.80 | 46.00 |
| NO₂(µg/m³) | 7.10 | 7.60 |
| SO₂(µg/m³) | 15.10 | 16.00 |
| O₃(µg/m³) | 66.00 | 53.00 |
| CO(µg/m³) | 208.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Ujjain averaged 116 — a 18-point (18%) gap, with Ujjain the more polluted and Dewās the cleaner of the two. On 2306 days when both cities reported, Dewās was cleaner on 1762 of them; the average daily gap was 33 AQI points.
Seasonality & days
Dewās peaks in December, while Ujjain peaks in November. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Ujjain 67 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 49 compared to Dewās's 53.