Delhi vs Gaya
Side-by-side air quality comparison between Delhi 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 | Delhi | Gaya |
|---|---|---|
| PM2.5(µg/m³) | 78.20 | 57.70 |
| PM10(µg/m³) | 154.10 | 67.50 |
| NO₂(µg/m³) | 47.90 | 19.60 |
| SO₂(µg/m³) | 33.40 | 12.20 |
| O₃(µg/m³) | 43.00 | 62.00 |
| CO(µg/m³) | 545.00 | 427.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Gaya averaged 110 — a 100-point (91%) gap, with Delhi the more polluted and Gaya the cleaner of the two. On 2844 days when both cities reported, Gaya was cleaner on 2623 of them; the average daily gap was 137 AQI points.
Seasonality & days
Delhi peaks in November, while Gaya peaks in January. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Gaya was 1.7% Severe and 32% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Gaya 52 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Gaya has improved by 89 AQI points (44.7%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Gaya hit AQI 500 at Collectorate (BSPCB) on 2016-10-15.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Gaya spans 3 stations with a 85-point spread (min 88, max 173).
Verdict
🏆 Gaya has better air quality with an AQI of 96 compared to Delhi's 161. That's a significant difference of 65 points.