Nayāgarh vs Purnia
Side-by-side air quality comparison between Nayāgarh 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, Nayāgarh averaged an AQI of 98 while Purnia averaged 133 — a 35-point (36%) gap, with Purnia the more polluted and Nayāgarh the cleaner of the two. On 499 days when both cities reported, Nayāgarh was cleaner on 349 of them; the average daily gap was 86 AQI points.
Seasonality & days
Nayāgarh peaks in April, while Purnia peaks in January. Nayāgarh logged 0% Severe days and 47.400000000000006% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Nayāgarh 52 days, Purnia 14 days.
Year-over-year progress
Nayāgarh has improved by 48 AQI points (32.9%) from 2022 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Nayāgarh reached AQI 336 at Dabuna (OSPCB) on 2023-03-13; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Nayāgarh spans 1 CPCB stations with a 0-point spread (min 116, max 116); Purnia spans 1 stations with a 0-point spread (min 176, max 176).