Araria vs Salem
Side-by-side air quality comparison between Araria 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, Araria averaged an AQI of 167 while Salem averaged 68 — a 99-point (146%) gap, with Araria the more polluted and Salem the cleaner of the two. On 306 days when both cities reported, Salem was cleaner on 270 of them; the average daily gap was 130 AQI points.
Seasonality & days
Araria peaks in January, while Salem peaks in April. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Salem 17 days.
Year-over-year progress
Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Salem spans 1 stations with a 0-point spread (min 73, max 73).