Pratapgarh vs Purnia
Side-by-side air quality comparison between Pratapgarh and Purnia.
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 | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 59.30 | 105.90 |
| PM10(µg/m³) | 74.30 | 109.00 |
| NO₂(µg/m³) | 43.70 | 25.20 |
| SO₂(µg/m³) | 14.30 | 20.10 |
| O₃(µg/m³) | 41.00 | 67.00 |
| CO(µg/m³) | 320.00 | 707.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pratapgarh averaged an AQI of 93 while Purnia averaged 133 — a 40-point (43%) gap, with Purnia the more polluted and Pratapgarh the cleaner of the two. On 479 days when both cities reported, Pratapgarh was cleaner on 324 of them; the average daily gap was 61 AQI points.
Seasonality & days
Pratapgarh peaks in November, while Purnia peaks in January. Pratapgarh logged 0% Severe days and 59.9% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Pratapgarh 49 days, Purnia 14 days.
Year-over-year progress
Pratapgarh has improved by 10 AQI points (9.7%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Pratapgarh reached AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Pratapgarh spans 1 CPCB stations with a 0-point spread (min 97, max 97); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Pratapgarh has better air quality with an AQI of 99 compared to Purnia's 253. That's a significant difference of 154 points.