Bhagalpur vs Tālcher
Side-by-side air quality comparison between Bhagalpur and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 66.60 |
| PM10(µg/m³) | 62.60 | 72.90 |
| NO₂(µg/m³) | 14.10 | 20.10 |
| SO₂(µg/m³) | 24.00 | 10.00 |
| O₃(µg/m³) | 121.00 | 60.00 |
| CO(µg/m³) | 527.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Tālcher averaged 127 — a 37-point (29%) gap, with Bhagalpur the more polluted and Tālcher the cleaner of the two. On 610 days when both cities reported, Tālcher was cleaner on 559 of them; the average daily gap was 102 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Tālcher peaks in December. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Tālcher 44 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Tālcher's 123.