Karnal vs Prayagraj
Side-by-side air quality comparison between Karnal and Prayagraj.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Karnal | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 101.50 | 32.10 |
| PM10(µg/m³) | 605.40 | 75.90 |
| NO₂(µg/m³) | 1.30 | 0.60 |
| SO₂(µg/m³) | 21.10 | 5.40 |
| O₃(µg/m³) | 216.00 | 155.00 |
| CO(µg/m³) | 343.00 | 202.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Prayagraj averaged 80 — a 22-point (28%) gap, with Karnal the more polluted and Prayagraj the cleaner of the two. On 867 days when both cities reported, Karnal was cleaner on 441 of them; the average daily gap was 44 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Prayagraj 69 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Prayagraj has better air quality with an AQI of 76 compared to Karnal's 500. That's a significant difference of 424 points.