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Araria vs Kanchipuram

Side-by-side air quality comparison between Araria and Kanchipuram.

Cleaner right now: Kanchipuram (241-pt gap)Historical head-to-head: Kanchipuram cleaner 266/278 daysYoY 20212024: Araria -26.8% · Kanchipuram -26.1%

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

Araria

Bihar, India

Poor

PM2.5: 106.9 µg/m³

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VS
🏆 Cleaner

Kanchipuram

Tamil Nadu, India

Good

PM2.5: 9.7 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantArariaKanchipuram
PM2.5(µg/m³)106.909.70
PM10(µg/m³)110.8011.70
NO₂(µg/m³)29.1012.20
SO₂(µg/m³)11.604.60
O₃(µg/m³)31.0041.00
CO(µg/m³)809.00265.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Araria averaged an AQI of 167 while Kanchipuram averaged 51 — a 116-point (227%) gap, with Araria the more polluted and Kanchipuram the cleaner of the two. On 278 days when both cities reported, Kanchipuram was cleaner on 266 of them; the average daily gap was 144 AQI points.

Seasonality & days

Araria peaks in January, while Kanchipuram peaks in February. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Kanchipuram was 0% Severe and 94% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Kanchipuram 18 days.

Year-over-year progress

Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Kanchipuram has improved by 18 AQI points (26.1%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Kanchipuram hit AQI 320 at Kilambi (TNPCB) on 2023-05-22.

Station-level disparity

Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Kanchipuram spans 1 stations with a 0-point spread (min 57, max 57).

Verdict

🏆 Kanchipuram has better air quality with an AQI of 16 compared to Araria's 257. That's a significant difference of 241 points.

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