Aizawl vs Ratlam
Side-by-side air quality comparison between Aizawl 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 | Aizawl | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 28.80 | 31.00 |
| PM10(µg/m³) | 37.30 | 47.60 |
| NO₂(µg/m³) | 6.70 | 8.60 |
| SO₂(µg/m³) | 3.20 | 15.80 |
| O₃(µg/m³) | 49.00 | 55.00 |
| CO(µg/m³) | 250.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Ratlam averaged 113 — a 67-point (146%) gap, with Ratlam the more polluted and Aizawl the cleaner of the two. On 1338 days when both cities reported, Aizawl was cleaner on 1240 of them; the average daily gap was 61 AQI points.
Seasonality & days
Aizawl peaks in March, while Ratlam peaks in November. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Ratlam 59 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Aizawl has better air quality with an AQI of 48 compared to Ratlam's 53.