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Bettiah vs Shivamogga

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

Cleaner right now: Shivamogga (239-pt gap)Historical head-to-head: Shivamogga cleaner 737/785 daysYoY 20212024: Bettiah -36.5% · Shivamogga -22.5%

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

Shivamogga

Karnataka, India

Good

PM2.5: 6.9 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBettiahShivamogga
PM2.5(µg/m³)105.006.90
PM10(µg/m³)116.609.10
NO₂(µg/m³)41.605.20
SO₂(µg/m³)13.001.90
O₃(µg/m³)55.0035.00
CO(µg/m³)1389.00137.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bettiah averaged an AQI of 127 while Shivamogga averaged 55 — a 72-point (131%) gap, with Bettiah the more polluted and Shivamogga the cleaner of the two. On 785 days when both cities reported, Shivamogga was cleaner on 737 of them; the average daily gap was 119 AQI points.

Seasonality & days

Bettiah peaks in November, while Shivamogga peaks in February. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Shivamogga was 0% Severe and 97.5% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Shivamogga 233 days.

Year-over-year progress

Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Shivamogga has improved by 16 AQI points (22.5%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Shivamogga hit AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04.

Station-level disparity

Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Shivamogga spans 1 stations with a 0-point spread (min 56, max 56).

Verdict

🏆 Shivamogga has better air quality with an AQI of 12 compared to Bettiah's 251. That's a significant difference of 239 points.

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