Pāli vs Purnia
Side-by-side air quality comparison between Pāli 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 | Pāli | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 33.50 | 112.00 |
| PM10(µg/m³) | 94.30 | 115.70 |
| NO₂(µg/m³) | 3.00 | 31.10 |
| SO₂(µg/m³) | 2.10 | 18.40 |
| O₃(µg/m³) | 58.00 | 42.00 |
| CO(µg/m³) | 143.00 | 756.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pāli averaged an AQI of 134 while Purnia averaged 133 — a 1-point (1%) gap, with Pāli the more polluted and Purnia the cleaner of the two. On 832 days when both cities reported, Pāli was cleaner on 531 of them; the average daily gap was 91 AQI points.
Seasonality & days
Pāli peaks in May, while Purnia peaks in January. Pāli logged 0% Severe days and 40.099999999999994% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Pāli 38 days, Purnia 14 days.
Year-over-year progress
Pāli has improved by 47 AQI points (26%) from 2017 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Pāli reached AQI 453 at Indira Colony Vistar (RSPCB) on 2019-04-16; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Pāli spans 1 CPCB stations with a 0-point spread (min 123, max 123); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Pāli has better air quality with an AQI of 94 compared to Purnia's 274. That's a significant difference of 180 points.