Bilaspur vs Tālcher
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 65.90 |
| PM10(µg/m³) | 43.70 | 72.20 |
| NO₂(µg/m³) | 28.50 | 25.60 |
| SO₂(µg/m³) | 18.50 | 5.80 |
| O₃(µg/m³) | 38.00 | 19.00 |
| CO(µg/m³) | 477.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Tālcher averaged 127 — a 66-point (108%) gap, with Tālcher the more polluted and Bilaspur the cleaner of the two. On 544 days when both cities reported, Bilaspur was cleaner on 374 of them; the average daily gap was 52 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Tālcher 44 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Bilaspur has better air quality with an AQI of 59 compared to Tālcher's 120. That's a significant difference of 61 points.