Munger vs Salem
Side-by-side air quality comparison between Munger 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Munger | Salem |
|---|---|---|
| PM2.5(µg/m³) | 61.20 | 13.70 |
| PM10(µg/m³) | 67.50 | 16.40 |
| NO₂(µg/m³) | 28.20 | 15.30 |
| SO₂(µg/m³) | 17.40 | 9.30 |
| O₃(µg/m³) | 71.00 | 37.00 |
| CO(µg/m³) | 516.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Munger averaged an AQI of 130 while Salem averaged 68 — a 62-point (91%) gap, with Munger the more polluted and Salem the cleaner of the two. On 336 days when both cities reported, Salem was cleaner on 284 of them; the average daily gap was 98 AQI points.
Seasonality & days
Munger peaks in January, while Salem peaks in April. Munger logged 1.5% Severe days and 22.9% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Munger 12 days, Salem 17 days.
Year-over-year progress
Munger has improved by 135 AQI points (50.9%) from 2021 to 2024; Salem has improved by 5 AQI points (6.8%) over the same window. The worst recorded day for Munger reached AQI 445 at Town Hall (BSPCB) on 2022-01-06; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Munger spans 1 CPCB stations with a 0-point spread (min 180, max 180); Salem spans 1 stations with a 0-point spread (min 73, max 73).
Verdict
🏆 Salem has better air quality with an AQI of 23 compared to Munger's 105. That's a significant difference of 82 points.