Chapra vs Pratapgarh
Side-by-side air quality comparison between Chapra and Pratapgarh.
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 | Chapra | Pratapgarh |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 59.30 |
| PM10(µg/m³) | 117.10 | 74.30 |
| NO₂(µg/m³) | 42.70 | 43.70 |
| SO₂(µg/m³) | 15.30 | 14.30 |
| O₃(µg/m³) | 46.00 | 41.00 |
| CO(µg/m³) | 805.00 | 320.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Pratapgarh averaged 93 — a 56-point (60%) gap, with Chapra the more polluted and Pratapgarh the cleaner of the two. On 525 days when both cities reported, Pratapgarh was cleaner on 403 of them; the average daily gap was 80 AQI points.
Seasonality & days
Chapra peaks in January, while Pratapgarh peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Pratapgarh was 0% Severe and 59.9% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Pratapgarh 49 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Pratapgarh has improved by 10 AQI points (9.7%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Pratapgarh hit AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Pratapgarh spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Pratapgarh has better air quality with an AQI of 99 compared to Chapra's 244. That's a significant difference of 145 points.