Araria vs Ariyalur
Side-by-side air quality comparison between Araria and Ariyalur.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Araria | Ariyalur |
|---|---|---|
| PM2.5(µg/m³) | 98.70 | 6.80 |
| PM10(µg/m³) | 101.70 | 8.30 |
| NO₂(µg/m³) | 19.60 | 7.50 |
| SO₂(µg/m³) | 13.30 | 6.50 |
| O₃(µg/m³) | 69.00 | 43.00 |
| CO(µg/m³) | 760.00 | 133.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Araria averaged an AQI of 167 while Ariyalur averaged 46 — a 121-point (263%) gap, with Araria the more polluted and Ariyalur the cleaner of the two. On 435 days when both cities reported, Ariyalur was cleaner on 419 of them; the average daily gap was 131 AQI points.
Seasonality & days
Araria peaks in January, while Ariyalur peaks in March. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Ariyalur was 0% Severe and 93.8% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Ariyalur 57 days.
Year-over-year progress
Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Ariyalur has improved by 35 AQI points (43.2%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Ariyalur hit AQI 221 at Keelapalur (TNPCB) on 2024-04-07.
Station-level disparity
Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Ariyalur spans 1 stations with a 0-point spread (min 51, max 51).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Araria's 230. That's a significant difference of 219 points.