Indore vs Ratlam
Side-by-side air quality comparison between Indore 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 | Indore | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 31.00 |
| PM10(µg/m³) | 47.00 | 47.60 |
| NO₂(µg/m³) | 6.50 | 8.60 |
| SO₂(µg/m³) | 12.50 | 15.80 |
| O₃(µg/m³) | 74.00 | 55.00 |
| CO(µg/m³) | 254.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Ratlam averaged 113 — a 29-point (35%) gap, with Ratlam the more polluted and Indore the cleaner of the two. On 1380 days when both cities reported, Ratlam was cleaner on 954 of them; the average daily gap was 28 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Ratlam 59 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Ratlam has better air quality with an AQI of 53 compared to Indore's 55.