Ghaziabad vs Ratlam
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 31.00 |
| PM10(µg/m³) | 97.30 | 47.60 |
| NO₂(µg/m³) | 36.60 | 8.60 |
| SO₂(µg/m³) | 11.50 | 15.80 |
| O₃(µg/m³) | 36.00 | 55.00 |
| CO(µg/m³) | 522.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Ratlam averaged 113 — a 64-point (57%) gap, with Ghaziabad the more polluted and Ratlam the cleaner of the two. On 1589 days when both cities reported, Ratlam was cleaner on 1522 of them; the average daily gap was 140 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Ratlam 59 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); 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 Ghaziabad's 140. That's a significant difference of 87 points.