Bhagalpur vs Shillong
Side-by-side air quality comparison between Bhagalpur and Shillong.
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 | Bhagalpur | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 17.90 |
| PM10(µg/m³) | 62.60 | 21.40 |
| NO₂(µg/m³) | 14.10 | 3.10 |
| SO₂(µg/m³) | 24.00 | 6.20 |
| O₃(µg/m³) | 121.00 | 118.00 |
| CO(µg/m³) | 527.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Shillong averaged 75 — a 89-point (119%) gap, with Bhagalpur the more polluted and Shillong the cleaner of the two. On 529 days when both cities reported, Shillong was cleaner on 519 of them; the average daily gap was 152 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Shillong peaks in February. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Shillong 113 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 30 compared to Bhagalpur's 94. That's a significant difference of 64 points.