Ariyalur vs Bhilai
Side-by-side air quality comparison between Ariyalur and Bhilai.
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 | Bhilai |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 44.90 |
| PM10(µg/m³) | 9.90 | 52.30 |
| NO₂(µg/m³) | 8.40 | 45.10 |
| SO₂(µg/m³) | 5.00 | 64.50 |
| O₃(µg/m³) | 42.00 | 35.00 |
| CO(µg/m³) | 137.00 | 664.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Bhilai averaged 73 — a 27-point (59%) gap, with Bhilai the more polluted and Ariyalur the cleaner of the two. On 594 days when both cities reported, Ariyalur was cleaner on 509 of them; the average daily gap was 42 AQI points.
Seasonality & days
Ariyalur peaks in March, while Bhilai peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Bhilai was 0% Severe and 71.6% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Bhilai 119 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Bhilai has worsened by 8 AQI points (12.3%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Bhilai hit AQI 288 at Hathkhoj (CECB) on 2023-12-26.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Bhilai spans 3 stations with a 25-point spread (min 59, max 84).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Bhilai's 75. That's a significant difference of 62 points.