Patna vs Sagar
Side-by-side air quality comparison between Patna and Sagar.
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, Patna averaged an AQI of 172 while Sagar averaged 96 — a 76-point (79%) gap, with Patna the more polluted and Sagar the cleaner of the two. On 1313 days when both cities reported, Sagar was cleaner on 1256 of them; the average daily gap was 136 AQI points.
Seasonality & days
Patna peaks in December, while Sagar peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Sagar 57 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Sagar spans 2 stations with a 45-point spread (min 73, max 118).