Bilaspur vs Chandigarh
Side-by-side air quality comparison between Bilaspur and Chandigarh.
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 | Chandigarh |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 46.30 |
| PM10(µg/m³) | 47.40 | 63.60 |
| NO₂(µg/m³) | 22.60 | 30.10 |
| SO₂(µg/m³) | 15.90 | 10.30 |
| O₃(µg/m³) | 56.00 | 64.00 |
| CO(µg/m³) | 481.00 | 602.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Chandigarh averaged 153 — a 92-point (151%) gap, with Chandigarh the more polluted and Bilaspur the cleaner of the two. On 1004 days when both cities reported, Bilaspur was cleaner on 915 of them; the average daily gap was 100 AQI points.
Seasonality & days
Bilaspur peaks in December, while Chandigarh peaks in January. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Chandigarh 92 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).
Verdict
🏆 Bilaspur has better air quality with an AQI of 65 compared to Chandigarh's 78.