Karnal vs Patna
Side-by-side air quality comparison between Karnal and Patna.
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, Karnal averaged an AQI of 102 while Patna averaged 172 — a 70-point (69%) gap, with Patna the more polluted and Karnal the cleaner of the two. On 1986 days when both cities reported, Karnal was cleaner on 1668 of them; the average daily gap was 117 AQI points.
Seasonality & days
Karnal peaks in November, while Patna peaks in December. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Patna 30 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Patna spans 6 stations with a 39-point spread (min 154, max 193).