Angul vs Ratlam
Side-by-side air quality comparison between Angul and Ratlam.
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 | Angul | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 66.60 | 25.00 |
| PM10(µg/m³) | 72.90 | 40.30 |
| NO₂(µg/m³) | 20.10 | 8.90 |
| SO₂(µg/m³) | 10.00 | 16.30 |
| O₃(µg/m³) | 60.00 | 44.00 |
| CO(µg/m³) | 618.00 | 194.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Angul averaged an AQI of 149 while Ratlam averaged 113 — a 36-point (32%) gap, with Angul the more polluted and Ratlam the cleaner of the two. On 389 days when both cities reported, Ratlam was cleaner on 283 of them; the average daily gap was 66 AQI points.
Seasonality & days
Angul peaks in January, while Ratlam peaks in November. Angul logged 0% Severe days and 32.1% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Angul 23 days, Ratlam 59 days.
Year-over-year progress
Angul has improved by 89 AQI points (37.4%) from 2023 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Angul reached AQI 370 at Hakimapada (OSPCB) on 2024-01-29; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Angul spans 1 CPCB stations with a 0-point spread (min 163, max 163); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Ratlam has better air quality with an AQI of 42 compared to Angul's 123. That's a significant difference of 81 points.