Nārnaul vs Ratlam
Side-by-side air quality comparison between Nārnaul 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 | Nārnaul | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 31.00 |
| PM10(µg/m³) | 120.10 | 47.60 |
| NO₂(µg/m³) | 21.00 | 8.60 |
| SO₂(µg/m³) | 7.10 | 15.80 |
| O₃(µg/m³) | 63.00 | 55.00 |
| CO(µg/m³) | 386.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Ratlam averaged 113 — a 19-point (20%) gap, with Ratlam the more polluted and Nārnaul the cleaner of the two. On 1659 days when both cities reported, Ratlam was cleaner on 1056 of them; the average daily gap was 53 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Ratlam 59 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); 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 Nārnaul's 114. That's a significant difference of 61 points.