Salem vs Tālcher
Side-by-side air quality comparison between Salem 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Salem averaged an AQI of 68 while Tālcher averaged 127 — a 59-point (87%) gap, with Tālcher the more polluted and Salem the cleaner of the two. On 207 days when both cities reported, Salem was cleaner on 163 of them; the average daily gap was 74 AQI points.
Seasonality & days
Salem peaks in April, while Tālcher peaks in December. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Tālcher 44 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).