Salem vs Sasaram
Side-by-side air quality comparison between Salem and Sasaram.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Salem | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 12.70 | 85.70 |
| PM10(µg/m³) | 15.90 | 96.90 |
| NO₂(µg/m³) | 17.00 | 33.60 |
| SO₂(µg/m³) | 7.00 | 12.90 |
| O₃(µg/m³) | 30.00 | 52.00 |
| CO(µg/m³) | 237.00 | 638.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Salem averaged an AQI of 68 while Sasaram averaged 109 — a 41-point (60%) gap, with Sasaram the more polluted and Salem the cleaner of the two. On 327 days when both cities reported, Salem was cleaner on 245 of them; the average daily gap was 76 AQI points.
Seasonality & days
Salem peaks in April, while Sasaram peaks in January. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Sasaram 27 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Salem has better air quality with an AQI of 21 compared to Sasaram's 186. That's a significant difference of 165 points.