Bhilai vs Samastipur
Side-by-side air quality comparison between Bhilai and Samastipur.
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 | Bhilai | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 46.40 | 118.70 |
| PM10(µg/m³) | 52.30 | 131.30 |
| NO₂(µg/m³) | 43.70 | 48.30 |
| SO₂(µg/m³) | 70.60 | 20.10 |
| O₃(µg/m³) | 42.00 | 57.00 |
| CO(µg/m³) | 675.00 | 732.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Samastipur averaged 134 — a 61-point (84%) gap, with Samastipur the more polluted and Bhilai the cleaner of the two. On 596 days when both cities reported, Bhilai was cleaner on 510 of them; the average daily gap was 86 AQI points.
Seasonality & days
Bhilai peaks in November, while Samastipur peaks in January. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Samastipur 9 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Bhilai has better air quality with an AQI of 78 compared to Samastipur's 296. That's a significant difference of 218 points.