Bharatpur vs Purnia
Side-by-side air quality comparison between Bharatpur 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 | Bharatpur | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 59.00 | 105.90 |
| PM10(µg/m³) | 166.20 | 109.00 |
| NO₂(µg/m³) | 11.40 | 25.20 |
| SO₂(µg/m³) | 9.10 | 20.10 |
| O₃(µg/m³) | 105.00 | 67.00 |
| CO(µg/m³) | 445.00 | 707.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bharatpur averaged an AQI of 131 while Purnia averaged 133 — a 2-point (2%) gap, with Purnia the more polluted and Bharatpur the cleaner of the two. On 488 days when both cities reported, Purnia was cleaner on 257 of them; the average daily gap was 54 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bharatpur logged 0% Severe days and 33.7% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Bharatpur 41 days, Purnia 14 days.
Year-over-year progress
Bharatpur has improved by 25 AQI points (16%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Bharatpur reached AQI 396 at Krishna Nagar (RSPCB) on 2023-11-14; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Bharatpur spans 1 CPCB stations with a 0-point spread (min 142, max 142); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Bharatpur has better air quality with an AQI of 145 compared to Purnia's 253. That's a significant difference of 108 points.