Kanpur vs Salem
Side-by-side air quality comparison between Kanpur 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, Kanpur averaged an AQI of 109 while Salem averaged 68 — a 41-point (60%) gap, with Kanpur the more polluted and Salem the cleaner of the two. On 208 days when both cities reported, Salem was cleaner on 191 of them; the average daily gap was 87 AQI points.
Seasonality & days
Kanpur peaks in November, while Salem peaks in April. Kanpur logged 3.8% Severe days and 36.2% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Kanpur 70 days, Salem 17 days.
Year-over-year progress
Kanpur has improved by 96 AQI points (46.8%) from 2016 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Kanpur reached AQI 482 at Nehru Nagar (UPPCB) on 2017-12-29; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Kanpur spans 4 CPCB stations with a 54-point spread (min 111, max 165); Salem spans 1 stations with a 0-point spread (min 73, max 73).