Gorakhpur vs Siwan
Side-by-side air quality comparison between Gorakhpur and Siwan.
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 | Gorakhpur | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 104.10 | 108.00 |
| PM10(µg/m³) | 118.70 | 122.50 |
| NO₂(µg/m³) | 73.90 | 59.80 |
| SO₂(µg/m³) | 17.40 | 14.10 |
| O₃(µg/m³) | 0.00 | 4.00 |
| CO(µg/m³) | 522.00 | 856.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gorakhpur averaged an AQI of 109 while Siwan averaged 148 — a 39-point (36%) gap, with Siwan the more polluted and Gorakhpur the cleaner of the two. On 773 days when both cities reported, Gorakhpur was cleaner on 667 of them; the average daily gap was 100 AQI points.
Seasonality & days
Gorakhpur peaks in November, while Siwan peaks in January. Gorakhpur logged 0% Severe days and 57.099999999999994% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Gorakhpur 62 days, Siwan 13 days.
Year-over-year progress
Gorakhpur has worsened by 7 AQI points (6.9%) from 2021 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Gorakhpur reached AQI 393 at Madan Mohan Malaviya University of Technology (UPPCB) on 2021-11-09; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Gorakhpur spans 1 CPCB stations with a 0-point spread (min 99, max 99); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Gorakhpur has better air quality with an AQI of 248 compared to Siwan's 260.