Bikaner vs Purnia
Side-by-side air quality comparison between Bikaner 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, Bikaner averaged an AQI of 154 while Purnia averaged 133 — a 21-point (16%) gap, with Bikaner the more polluted and Purnia the cleaner of the two. On 505 days when both cities reported, Purnia was cleaner on 313 of them; the average daily gap was 59 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Purnia 14 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Purnia spans 1 stations with a 0-point spread (min 176, max 176).