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Bettiah vs Pune

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

Cleaner right now: Pune (198-pt gap)Historical head-to-head: Bettiah cleaner 225/426 daysYoY 20212024: Bettiah -36.5% · Pune -6.7%

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: 99.7 µg/m³

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VS
🏆 Cleaner

Pune

Maharashtra, India

Good

PM2.5: 15.2 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBettiahPune
PM2.5(µg/m³)99.7015.20
PM10(µg/m³)113.9035.00
NO₂(µg/m³)54.2010.60
SO₂(µg/m³)11.708.90
O₃(µg/m³)4.0033.00
CO(µg/m³)1655.00131.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Bettiah averaged an AQI of 127 while Pune averaged 97 — a 30-point (31%) gap, with Bettiah the more polluted and Pune the cleaner of the two. On 426 days when both cities reported, Bettiah was cleaner on 225 of them; the average daily gap was 71 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; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Pune 92 days.

Year-over-year progress

Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.

Station-level disparity

Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Pune spans 12 stations with a 54-point spread (min 68, max 122).

Verdict

🏆 Pune has better air quality with an AQI of 35 compared to Bettiah's 233. That's a significant difference of 198 points.

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