Bhilai vs Salem
Side-by-side air quality comparison between Bhilai and Salem.
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, Bhilai averaged an AQI of 73 while Salem averaged 68 — a 5-point (7%) gap, with Bhilai the more polluted and Salem the cleaner of the two. On 341 days when both cities reported, Salem was cleaner on 216 of them; the average daily gap was 40 AQI points.
Seasonality & days
Bhilai peaks in November, while Salem peaks in April. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Salem 17 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Salem spans 1 stations with a 0-point spread (min 73, max 73).