Araria vs Purnia
Side-by-side air quality comparison between Araria 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Araria averaged an AQI of 167 while Purnia averaged 133 — a 34-point (26%) gap, with Araria the more polluted and Purnia the cleaner of the two. On 680 days when both cities reported, Araria was cleaner on 391 of them; the average daily gap was 53 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Purnia 14 days.
Year-over-year progress
Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Purnia spans 1 stations with a 0-point spread (min 176, max 176).