Arrah vs Satna
Side-by-side air quality comparison between Arrah and Satna.
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 | Satna |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 31.00 |
| PM10(µg/m³) | 117.10 | 47.80 |
| NO₂(µg/m³) | 42.70 | 18.60 |
| SO₂(µg/m³) | 15.30 | 7.00 |
| O₃(µg/m³) | 46.00 | 55.00 |
| CO(µg/m³) | 841.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Satna averaged 66 — a 57-point (86%) gap, with Arrah the more polluted and Satna the cleaner of the two. On 816 days when both cities reported, Satna was cleaner on 693 of them; the average daily gap was 95 AQI points.
Seasonality & days
Arrah peaks in January, while Satna peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Satna 146 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Satna has better air quality with an AQI of 53 compared to Arrah's 244. That's a significant difference of 191 points.