Ratlam vs Ujjain
Side-by-side air quality comparison between Ratlam 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 | Ratlam | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 25.00 | 29.30 |
| PM10(µg/m³) | 40.30 | 46.00 |
| NO₂(µg/m³) | 8.90 | 7.60 |
| SO₂(µg/m³) | 16.30 | 16.00 |
| O₃(µg/m³) | 44.00 | 53.00 |
| CO(µg/m³) | 194.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ratlam averaged an AQI of 113 while Ujjain averaged 116 — a 3-point (3%) gap, with Ujjain the more polluted and Ratlam the cleaner of the two. On 1785 days when both cities reported, Ratlam was cleaner on 1331 of them; the average daily gap was 35 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ratlam logged 0% Severe days and 46.4% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Ratlam 59 days, Ujjain 67 days.
Year-over-year progress
Ratlam has improved by 19 AQI points (14.4%) from 2018 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Ratlam reached AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Ratlam spans 1 CPCB stations with a 0-point spread (min 103, max 103); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ratlam has better air quality with an AQI of 42 compared to Ujjain's 49.