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Kishanganj vs Kozhikode

Side-by-side air quality comparison between Kishanganj and Kozhikode.

Cleaner right now: Kozhikode (175-pt gap)Historical head-to-head: Kozhikode cleaner 287/347 daysYoY 20212024: Kishanganj -48.6% · Kozhikode +59.2%

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

Kishanganj

Bihar, India

Moderate

PM2.5: 85.4 µg/m³

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VS
🏆 Cleaner

Kozhikode

Kerala, India

Good

PM2.5: 4.3 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantKishanganjKozhikode
PM2.5(µg/m³)85.404.30
PM10(µg/m³)88.509.50
NO₂(µg/m³)13.000.70
SO₂(µg/m³)11.500.30
O₃(µg/m³)88.0064.00
CO(µg/m³)750.00171.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Kishanganj averaged an AQI of 144 while Kozhikode averaged 78 — a 66-point (85%) gap, with Kishanganj the more polluted and Kozhikode the cleaner of the two. On 347 days when both cities reported, Kozhikode was cleaner on 287 of them; the average daily gap was 131 AQI points.

Seasonality & days

Both cities see their worst air in January on average. Kishanganj logged 0.2% Severe days and 37.099999999999994% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Kishanganj 23 days, Kozhikode 83 days.

Year-over-year progress

Kishanganj has improved by 136 AQI points (48.6%) from 2021 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Kishanganj reached AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.

Station-level disparity

Kishanganj spans 1 CPCB stations with a 0-point spread (min 156, max 156); Kozhikode spans 1 stations with a 0-point spread (min 59, max 59).

Verdict

🏆 Kozhikode has better air quality with an AQI of 10 compared to Kishanganj's 185. That's a significant difference of 175 points.

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