Ariyalur vs Bhiwāni
Side-by-side air quality comparison between Ariyalur and Bhiwāni.
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 | Ariyalur | Bhiwāni |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 62.60 |
| PM10(µg/m³) | 8.30 | 147.60 |
| NO₂(µg/m³) | 7.50 | 27.90 |
| SO₂(µg/m³) | 6.50 | 11.20 |
| O₃(µg/m³) | 43.00 | 61.00 |
| CO(µg/m³) | 133.00 | 474.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Bhiwāni averaged 134 — a 88-point (191%) gap, with Bhiwāni the more polluted and Ariyalur the cleaner of the two. On 588 days when both cities reported, Ariyalur was cleaner on 554 of them; the average daily gap was 93 AQI points.
Seasonality & days
Ariyalur peaks in March, while Bhiwāni peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Bhiwāni was 0.6% Severe and 36.4% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Bhiwāni 33 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Bhiwāni has improved by 15 AQI points (10.1%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Bhiwāni hit AQI 471 at HB Colony (HSPCB) on 2019-11-13.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Bhiwāni spans 1 stations with a 0-point spread (min 144, max 144).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Bhiwāni's 132. That's a significant difference of 121 points.