Arrah vs Gaya
Side-by-side air quality comparison between Arrah and Gaya.
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 | Gaya |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 61.20 |
| PM10(µg/m³) | 117.10 | 73.80 |
| NO₂(µg/m³) | 42.70 | 16.60 |
| SO₂(µg/m³) | 15.30 | 13.20 |
| O₃(µg/m³) | 46.00 | 86.00 |
| CO(µg/m³) | 841.00 | 309.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Gaya averaged 110 — a 13-point (12%) gap, with Arrah the more polluted and Gaya the cleaner of the two. On 863 days when both cities reported, Arrah was cleaner on 557 of them; the average daily gap was 53 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; Gaya was 1.7% Severe and 32% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Gaya 52 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Gaya has improved by 89 AQI points (44.7%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Gaya hit AQI 500 at Collectorate (BSPCB) on 2016-10-15.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Gaya spans 3 stations with a 85-point spread (min 88, max 173).
Verdict
🏆 Gaya has better air quality with an AQI of 105 compared to Arrah's 244. That's a significant difference of 139 points.