Bhilai vs Saharsa
Side-by-side air quality comparison between Bhilai and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 30.70 | 75.90 |
| PM10(µg/m³) | 41.40 | 94.50 |
| NO₂(µg/m³) | 4.80 | 1.80 |
| SO₂(µg/m³) | 28.40 | 12.70 |
| O₃(µg/m³) | 155.00 | 208.00 |
| CO(µg/m³) | 386.00 | 328.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Saharsa averaged 139 — a 66-point (90%) gap, with Saharsa the more polluted and Bhilai the cleaner of the two. On 693 days when both cities reported, Bhilai was cleaner on 566 of them; the average daily gap was 99 AQI points.
Seasonality & days
Bhilai peaks in November, while Saharsa peaks in January. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Saharsa 20 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Bhilai has better air quality with an AQI of 52 compared to Saharsa's 153. That's a significant difference of 101 points.