Bilaspur vs Motihari
Side-by-side air quality comparison between Bilaspur and Motihari.
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 | Motihari |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 156.00 |
| PM10(µg/m³) | 43.70 | 175.10 |
| NO₂(µg/m³) | 28.50 | 76.90 |
| SO₂(µg/m³) | 18.50 | 22.40 |
| O₃(µg/m³) | 38.00 | 0.00 |
| CO(µg/m³) | 477.00 | 1456.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Motihari averaged 116 — a 55-point (90%) gap, with Motihari the more polluted and Bilaspur the cleaner of the two. On 787 days when both cities reported, Bilaspur was cleaner on 652 of them; the average daily gap was 92 AQI points.
Seasonality & days
Bilaspur peaks in December, while Motihari peaks in November. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Motihari 26 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Motihari spans 1 stations with a 0-point spread (min 153, max 153).
Verdict
🏆 Bilaspur has better air quality with an AQI of 59 compared to Motihari's 328. That's a significant difference of 269 points.