Pratapgarh vs Siwan
Side-by-side air quality comparison between Pratapgarh 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 | Pratapgarh | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 34.90 | 44.90 |
| PM10(µg/m³) | 77.50 | 69.80 |
| NO₂(µg/m³) | 0.60 | 0.60 |
| SO₂(µg/m³) | 7.20 | 6.90 |
| O₃(µg/m³) | 158.00 | 187.00 |
| CO(µg/m³) | 193.00 | 225.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pratapgarh averaged an AQI of 93 while Siwan averaged 148 — a 55-point (59%) gap, with Siwan the more polluted and Pratapgarh the cleaner of the two. On 450 days when both cities reported, Pratapgarh was cleaner on 367 of them; the average daily gap was 69 AQI points.
Seasonality & days
Pratapgarh peaks in November, while Siwan peaks in January. Pratapgarh logged 0% Severe days and 59.9% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Pratapgarh 49 days, Siwan 13 days.
Year-over-year progress
Pratapgarh has improved by 10 AQI points (9.7%) from 2023 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Pratapgarh reached AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Pratapgarh spans 1 CPCB stations with a 0-point spread (min 97, max 97); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Siwan has better air quality with an AQI of 75 compared to Pratapgarh's 78.