Pratapgarh vs Samastipur
Side-by-side air quality comparison between Pratapgarh and Samastipur.
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 | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 124.30 |
| PM10(µg/m³) | 88.90 | 140.20 |
| NO₂(µg/m³) | 56.70 | 60.30 |
| SO₂(µg/m³) | 12.90 | 19.10 |
| O₃(µg/m³) | 12.00 | 14.00 |
| CO(µg/m³) | 357.00 | 804.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pratapgarh averaged an AQI of 93 while Samastipur averaged 134 — a 41-point (44%) gap, with Samastipur the more polluted and Pratapgarh the cleaner of the two. On 497 days when both cities reported, Pratapgarh was cleaner on 367 of them; the average daily gap was 65 AQI points.
Seasonality & days
Pratapgarh peaks in November, while Samastipur peaks in January. Pratapgarh logged 0% Severe days and 59.9% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Pratapgarh 49 days, Samastipur 9 days.
Year-over-year progress
Pratapgarh has improved by 10 AQI points (9.7%) from 2023 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Pratapgarh reached AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Pratapgarh spans 1 CPCB stations with a 0-point spread (min 97, max 97); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Pratapgarh has better air quality with an AQI of 133 compared to Samastipur's 304. That's a significant difference of 171 points.