Bhilai vs Hosur
Side-by-side air quality comparison between Bhilai and Hosur.
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 | Bhilai | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 46.40 | 4.50 |
| PM10(µg/m³) | 52.30 | 5.00 |
| NO₂(µg/m³) | 43.70 | 7.50 |
| SO₂(µg/m³) | 70.60 | 4.10 |
| O₃(µg/m³) | 42.00 | 38.00 |
| CO(µg/m³) | 675.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Hosur averaged 90 — a 17-point (23%) gap, with Hosur the more polluted and Bhilai the cleaner of the two. On 13 days when both cities reported, Bhilai was cleaner on 8 of them; the average daily gap was 56 AQI points.
Seasonality & days
Bhilai peaks in November, while Hosur peaks in December. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Bhilai's 78. That's a significant difference of 70 points.