Tālcher vs Visakhapatnam
Side-by-side air quality comparison between Tālcher and Visakhapatnam.
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 | Tālcher | Visakhapatnam |
|---|---|---|
| CO(ppb) | 626.36 | 367.00 |
| NO2(ppb) | 7.93 | 5.20 |
| O3(ppb) | 0.42 | 182.00 |
| PM10(µg/m³) | 176.24 | 37.10 |
| PM2.5(µg/m³) | 107.57 | 31.80 |
| SO2(ppb) | 10.51 | 27.60 |
| NH3(ppb) | 31.15 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Tālcher averaged an AQI of 127 while Visakhapatnam averaged 110 — a 17-point (15%) gap, with Tālcher the more polluted and Visakhapatnam the cleaner of the two. On 1463 days when both cities reported, Visakhapatnam was cleaner on 809 of them; the average daily gap was 51 AQI points.
Seasonality & days
Tālcher peaks in December, while Visakhapatnam peaks in January. Tālcher logged 0.2% Severe days and 43.1% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Tālcher 44 days, Visakhapatnam 27 days.
Year-over-year progress
Tālcher has improved by 63 AQI points (33.2%) from 2018 to 2023; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Tālcher reached AQI 414 at Talcher (OSPCB) on 2018-11-27; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Tālcher spans 1 CPCB stations with a 0-point spread (min 132, max 132); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Visakhapatnam has better air quality with an AQI of 54 compared to Tālcher's 259. That's a significant difference of 205 points.