Bhiwāni vs Purnia
Side-by-side air quality comparison between Bhiwāni 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 | Bhiwāni | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 62.60 | 105.90 |
| PM10(µg/m³) | 147.60 | 109.00 |
| NO₂(µg/m³) | 27.90 | 25.20 |
| SO₂(µg/m³) | 11.20 | 20.10 |
| O₃(µg/m³) | 61.00 | 67.00 |
| CO(µg/m³) | 474.00 | 707.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhiwāni averaged an AQI of 134 while Purnia averaged 133 — a 1-point (1%) gap, with Bhiwāni the more polluted and Purnia the cleaner of the two. On 824 days when both cities reported, Bhiwāni was cleaner on 497 of them; the average daily gap was 73 AQI points.
Seasonality & days
Bhiwāni peaks in November, while Purnia peaks in January. Bhiwāni logged 0.6% Severe days and 36.4% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Bhiwāni 33 days, Purnia 14 days.
Year-over-year progress
Bhiwāni has improved by 15 AQI points (10.1%) from 2019 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Bhiwāni reached AQI 471 at HB Colony (HSPCB) on 2019-11-13; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Bhiwāni spans 1 CPCB stations with a 0-point spread (min 144, max 144); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Bhiwāni has better air quality with an AQI of 132 compared to Purnia's 253. That's a significant difference of 121 points.