Purnia vs Sirsa
Side-by-side air quality comparison between Purnia and Sirsa.
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, Purnia averaged an AQI of 133 while Sirsa averaged 115 — a 18-point (16%) gap, with Purnia the more polluted and Sirsa the cleaner of the two. On 534 days when both cities reported, Sirsa was cleaner on 333 of them; the average daily gap was 82 AQI points.
Seasonality & days
Purnia peaks in January, while Sirsa peaks in November. Purnia logged 3.7% Severe days and 33.699999999999996% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Purnia 14 days, Sirsa 40 days.
Year-over-year progress
Purnia has improved by 163 AQI points (55.1%) from 2021 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Purnia reached AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Purnia spans 1 CPCB stations with a 0-point spread (min 176, max 176); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).