Bilaspur vs Ludhiana
Side-by-side air quality comparison between Bilaspur and Ludhiana.
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 | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 71.50 |
| PM10(µg/m³) | 47.40 | 100.40 |
| NO₂(µg/m³) | 22.60 | 31.30 |
| SO₂(µg/m³) | 15.90 | 17.00 |
| O₃(µg/m³) | 56.00 | 62.00 |
| CO(µg/m³) | 481.00 | 748.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Ludhiana averaged 117 — a 56-point (92%) gap, with Ludhiana the more polluted and Bilaspur the cleaner of the two. On 89 days when both cities reported, Bilaspur was cleaner on 81 of them; the average daily gap was 94 AQI points.
Seasonality & days
Bilaspur peaks in December, while Ludhiana peaks in November. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Ludhiana 53 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Bilaspur has better air quality with an AQI of 65 compared to Ludhiana's 139. That's a significant difference of 74 points.