Gaya vs Guwahati
Side-by-side air quality comparison between Gaya and Guwahati.
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 | Gaya | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 42.60 | 35.50 |
| PM10(µg/m³) | 66.80 | 41.80 |
| NO₂(µg/m³) | 0.80 | 1.20 |
| SO₂(µg/m³) | 8.10 | 4.90 |
| O₃(µg/m³) | 165.00 | 150.00 |
| CO(µg/m³) | 239.00 | 359.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gaya averaged an AQI of 110 while Guwahati averaged 123 — a 13-point (12%) gap, with Guwahati the more polluted and Gaya the cleaner of the two. On 2055 days when both cities reported, Guwahati was cleaner on 1251 of them; the average daily gap was 70 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Guwahati 105 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Guwahati has better air quality with an AQI of 60 compared to Gaya's 72.