Ratlam vs Ulhasnagar
Side-by-side air quality comparison between Ratlam and Ulhasnagar.
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 | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 25.00 | 23.70 |
| PM10(µg/m³) | 40.30 | 40.90 |
| NO₂(µg/m³) | 8.90 | 20.60 |
| SO₂(µg/m³) | 16.30 | 23.00 |
| O₃(µg/m³) | 44.00 | 23.00 |
| CO(µg/m³) | 194.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ratlam averaged an AQI of 113 while Ulhasnagar averaged 117 — a 4-point (4%) gap, with Ulhasnagar the more polluted and Ratlam the cleaner of the two. On 489 days when both cities reported, Ratlam was cleaner on 275 of them; the average daily gap was 38 AQI points.
Seasonality & days
Ratlam peaks in November, while Ulhasnagar peaks in January. Ratlam logged 0% Severe days and 46.4% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Ratlam 59 days, Ulhasnagar 74 days.
Year-over-year progress
Ratlam has improved by 19 AQI points (14.4%) from 2018 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Ratlam reached AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Ratlam spans 1 CPCB stations with a 0-point spread (min 103, max 103); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 41 compared to Ratlam's 42.