Motihari vs Salem
Side-by-side air quality comparison between Motihari 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, Motihari averaged an AQI of 116 while Salem averaged 68 — a 48-point (71%) gap, with Motihari the more polluted and Salem the cleaner of the two. On 338 days when both cities reported, Salem was cleaner on 281 of them; the average daily gap was 96 AQI points.
Seasonality & days
Motihari peaks in November, while Salem peaks in April. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Salem 17 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Salem spans 1 stations with a 0-point spread (min 73, max 73).