Arrah vs Munger
Side-by-side air quality comparison between Arrah and Munger.
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 | Arrah | Munger |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 64.00 |
| PM10(µg/m³) | 115.50 | 71.50 |
| NO₂(µg/m³) | 53.70 | 39.20 |
| SO₂(µg/m³) | 13.70 | 17.00 |
| O₃(µg/m³) | 10.00 | 28.00 |
| CO(µg/m³) | 944.00 | 579.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Munger averaged 130 — a 7-point (6%) gap, with Munger the more polluted and Arrah the cleaner of the two. On 743 days when both cities reported, Arrah was cleaner on 473 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Munger was 1.5% Severe and 22.9% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Munger 12 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Munger has improved by 135 AQI points (50.9%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Munger hit AQI 445 at Town Hall (BSPCB) on 2022-01-06.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Munger spans 1 stations with a 0-point spread (min 180, max 180).
Verdict
🏆 Munger has better air quality with an AQI of 114 compared to Arrah's 231. That's a significant difference of 117 points.