Arrah vs Bilaspur
Side-by-side air quality comparison between Arrah and Bilaspur.
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 | Arrah | Bilaspur |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 38.80 |
| PM10(µg/m³) | 117.10 | 47.40 |
| NO₂(µg/m³) | 42.70 | 22.60 |
| SO₂(µg/m³) | 15.30 | 15.90 |
| O₃(µg/m³) | 46.00 | 56.00 |
| CO(µg/m³) | 841.00 | 481.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Bilaspur averaged 61 — a 62-point (102%) gap, with Arrah the more polluted and Bilaspur the cleaner of the two. On 726 days when both cities reported, Bilaspur was cleaner on 650 of them; the average daily gap was 93 AQI points.
Seasonality & days
Arrah peaks in January, while Bilaspur peaks in December. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Bilaspur was 0% Severe and 88% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Bilaspur 66 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Bilaspur has improved by 22 AQI points (26.5%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Bilaspur hit AQI 259 at Mangala (NTPC) on 2023-03-09.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Bilaspur spans 1 stations with a 0-point spread (min 69, max 69).
Verdict
🏆 Bilaspur has better air quality with an AQI of 65 compared to Arrah's 244. That's a significant difference of 179 points.