Bilaspur vs Chapra
Side-by-side air quality comparison between Bilaspur and Chapra.
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 | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 99.00 |
| PM10(µg/m³) | 43.70 | 115.50 |
| NO₂(µg/m³) | 28.50 | 53.70 |
| SO₂(µg/m³) | 18.50 | 13.70 |
| O₃(µg/m³) | 38.00 | 10.00 |
| CO(µg/m³) | 477.00 | 858.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Chapra averaged 149 — a 88-point (144%) gap, with Chapra the more polluted and Bilaspur the cleaner of the two. On 804 days when both cities reported, Bilaspur was cleaner on 735 of them; the average daily gap was 126 AQI points.
Seasonality & days
Bilaspur peaks in December, while Chapra peaks in January. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Chapra 14 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Bilaspur has better air quality with an AQI of 59 compared to Chapra's 231. That's a significant difference of 172 points.