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Bettiah vs Kolhapur

Side-by-side air quality comparison between Bettiah and Kolhapur.

Cleaner right now: Kolhapur (227-pt gap)Historical head-to-head: Kolhapur cleaner 129/234 days

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

Bettiah

Bihar, India

Poor

PM2.5: 105.0 µg/m³

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VS
🏆 Cleaner

Kolhapur

Maharashtra, India

Good

PM2.5: 13.6 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBettiahKolhapur
PM2.5(µg/m³)105.0013.60
PM10(µg/m³)116.6024.30
NO₂(µg/m³)41.607.90
SO₂(µg/m³)13.003.30
O₃(µg/m³)55.0037.00
CO(µg/m³)1389.00130.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bettiah averaged an AQI of 127 while Kolhapur averaged 100 — a 27-point (27%) gap, with Bettiah the more polluted and Kolhapur the cleaner of the two. On 234 days when both cities reported, Kolhapur was cleaner on 129 of them; the average daily gap was 61 AQI points.

Seasonality & days

Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Kolhapur 81 days.

Year-over-year progress

The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.

Station-level disparity

Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).

Verdict

🏆 Kolhapur has better air quality with an AQI of 24 compared to Bettiah's 251. That's a significant difference of 227 points.

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