Samastipur vs Tālcher
Side-by-side air quality comparison between Samastipur 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 | Samastipur | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 118.00 | 65.90 |
| PM10(µg/m³) | 134.60 | 72.20 |
| NO₂(µg/m³) | 61.60 | 25.60 |
| SO₂(µg/m³) | 18.30 | 5.80 |
| O₃(µg/m³) | 5.00 | 19.00 |
| CO(µg/m³) | 837.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Samastipur averaged an AQI of 134 while Tālcher averaged 127 — a 7-point (6%) gap, with Samastipur the more polluted and Tālcher the cleaner of the two. On 418 days when both cities reported, Tālcher was cleaner on 367 of them; the average daily gap was 107 AQI points.
Seasonality & days
Samastipur peaks in January, while Tālcher peaks in December. Samastipur logged 1.4% Severe days and 23.400000000000002% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Samastipur 9 days, Tālcher 44 days.
Year-over-year progress
Samastipur has improved by 84 AQI points (38.5%) from 2022 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Samastipur reached AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Samastipur spans 1 CPCB stations with a 0-point spread (min 177, max 177); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Tālcher has better air quality with an AQI of 120 compared to Samastipur's 293. That's a significant difference of 173 points.