Karnal vs Motihari
Side-by-side air quality comparison between Karnal and Motihari.
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 | Motihari |
|---|---|---|
| PM2.5(µg/m³) | 130.90 | 152.70 |
| PM10(µg/m³) | 553.20 | 170.90 |
| NO₂(µg/m³) | 43.30 | 59.80 |
| SO₂(µg/m³) | 17.00 | 22.90 |
| O₃(µg/m³) | 43.00 | 45.00 |
| CO(µg/m³) | 906.00 | 1174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Motihari averaged 116 — a 14-point (14%) gap, with Motihari the more polluted and Karnal the cleaner of the two. On 903 days when both cities reported, Karnal was cleaner on 602 of them; the average daily gap was 66 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; Motihari was 1.2% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Motihari 26 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Motihari has improved by 106 AQI points (47.7%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Motihari hit AQI 448 at Gandak Colony (BSPCB) on 2022-11-17.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Motihari spans 1 stations with a 0-point spread (min 153, max 153).
Verdict
🏆 Motihari has better air quality with an AQI of 326 compared to Karnal's 473. That's a significant difference of 147 points.