Imphal vs Ratlam
Side-by-side air quality comparison between Imphal 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 | Imphal | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 31.00 |
| PM10(µg/m³) | 53.10 | 47.60 |
| NO₂(µg/m³) | 12.00 | 8.60 |
| SO₂(µg/m³) | 2.30 | 15.80 |
| O₃(µg/m³) | 33.00 | 55.00 |
| CO(µg/m³) | 414.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Ratlam averaged 113 — a 3-point (3%) gap, with Ratlam the more polluted and Imphal the cleaner of the two. On 525 days when both cities reported, Ratlam was cleaner on 292 of them; the average daily gap was 50 AQI points.
Seasonality & days
Imphal peaks in October, while Ratlam peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Ratlam 59 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); 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 Imphal's 77.