Bilaspur vs Hosur
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Hosur |
|---|---|---|
| CO(ppb) | 689.74 | 128.00 |
| NO2(ppb) | 15.68 | 1.50 |
| O3(ppb) | 20.21 | 88.00 |
| PM10(µg/m³) | 93.96 | 4.40 |
| PM2.5(µg/m³) | 54.44 | 3.50 |
| SO2(ppb) | 3.09 | 2.40 |
| NH3(ppb) | 6.17 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Hosur averaged 90 — a 29-point (48%) gap, with Hosur the more polluted and Bilaspur the cleaner of the two. On 91 days when both cities reported, Bilaspur was cleaner on 71 of them; the average daily gap was 28 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 6 compared to Bilaspur's 94. That's a significant difference of 88 points.