Bihar Sharif vs Tālcher
Side-by-side air quality comparison between Bihar Sharif 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 | Bihar Sharif | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 61.90 | 46.20 |
| PM10(µg/m³) | 91.70 | 59.80 |
| NO₂(µg/m³) | 0.80 | 3.90 |
| SO₂(µg/m³) | 10.10 | 32.00 |
| O₃(µg/m³) | 188.00 | 237.00 |
| CO(µg/m³) | 260.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Tālcher averaged 127 — a 12-point (10%) gap, with Tālcher the more polluted and Bihar Sharif the cleaner of the two. On 504 days when both cities reported, Tālcher was cleaner on 317 of them; the average daily gap was 89 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Tālcher 44 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Tālcher has better air quality with an AQI of 77 compared to Bihar Sharif's 107.