Bulandshahr vs Ratlam
Side-by-side air quality comparison between Bulandshahr 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 | Bulandshahr | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 69.20 | 25.00 |
| PM10(µg/m³) | 121.10 | 40.30 |
| NO₂(µg/m³) | 22.90 | 8.90 |
| SO₂(µg/m³) | 11.10 | 16.30 |
| O₃(µg/m³) | 91.00 | 44.00 |
| CO(µg/m³) | 455.00 | 194.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Ratlam averaged 113 — a 29-point (26%) gap, with Bulandshahr the more polluted and Ratlam the cleaner of the two. On 1832 days when both cities reported, Ratlam was cleaner on 1518 of them; the average daily gap was 83 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Ratlam 59 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Ratlam has better air quality with an AQI of 42 compared to Bulandshahr's 131. That's a significant difference of 89 points.