Bilaspur vs Ratlam
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 31.00 |
| PM10(µg/m³) | 43.70 | 47.60 |
| NO₂(µg/m³) | 28.50 | 8.60 |
| SO₂(µg/m³) | 18.50 | 15.80 |
| O₃(µg/m³) | 38.00 | 55.00 |
| CO(µg/m³) | 477.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Ratlam averaged 113 — a 52-point (85%) gap, with Ratlam the more polluted and Bilaspur the cleaner of the two. On 927 days when both cities reported, Bilaspur was cleaner on 699 of them; the average daily gap was 45 AQI points.
Seasonality & days
Bilaspur peaks in December, while Ratlam peaks in November. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Ratlam 59 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); 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 Bilaspur's 59.