Sagar vs Tālcher
Side-by-side air quality comparison between Sagar 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 | Sagar | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 24.90 | 66.60 |
| PM10(µg/m³) | 41.00 | 72.90 |
| NO₂(µg/m³) | 11.80 | 20.10 |
| SO₂(µg/m³) | 4.10 | 10.00 |
| O₃(µg/m³) | 61.00 | 60.00 |
| CO(µg/m³) | 211.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sagar averaged an AQI of 96 while Tālcher averaged 127 — a 31-point (32%) gap, with Tālcher the more polluted and Sagar the cleaner of the two. On 819 days when both cities reported, Sagar was cleaner on 593 of them; the average daily gap was 50 AQI points.
Seasonality & days
Sagar peaks in November, while Tālcher peaks in December. Sagar logged 0% Severe days and 69.9% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Sagar 57 days, Tālcher 44 days.
Year-over-year progress
Sagar has worsened by 24 AQI points (33.3%) from 2020 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Sagar reached AQI 347 at Civil Lines (MPPCB) on 2024-12-25; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Sagar spans 2 CPCB stations with a 45-point spread (min 73, max 118); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Tālcher's 123. That's a significant difference of 81 points.