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Arrah vs Kota

Side-by-side air quality comparison between Arrah and Kota.

Cleaner right now: Kota (191-pt gap)Historical head-to-head: Arrah cleaner 278/549 daysYoY 20212024: Arrah -58.7% · Kota -25.6%

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

Arrah

Bihar, India

Poor

PM2.5: 99.0 µg/m³

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VS
🏆 Cleaner

Kota

Rajasthan, India

Good

PM2.5: 24.2 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantArrahKota
PM2.5(µg/m³)99.0024.20
PM10(µg/m³)115.5037.80
NO₂(µg/m³)53.706.30
SO₂(µg/m³)13.705.90
O₃(µg/m³)10.0059.00
CO(µg/m³)944.00205.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Arrah averaged an AQI of 123 while Kota averaged 131 — a 8-point (7%) gap, with Kota the more polluted and Arrah the cleaner of the two. On 549 days when both cities reported, Arrah was cleaner on 278 of them; the average daily gap was 68 AQI points.

Seasonality & days

Arrah peaks in January, while Kota peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Kota was 0% Severe and 40.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Kota 89 days.

Year-over-year progress

Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Kota has improved by 45 AQI points (25.6%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Kota hit AQI 375 at Shrinath Puram (RSPCB) on 2021-11-14.

Station-level disparity

Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Kota spans 3 stations with a 9-point spread (min 121, max 130).

Verdict

🏆 Kota has better air quality with an AQI of 40 compared to Arrah's 231. That's a significant difference of 191 points.

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