Bhilai vs Perundurai
Side-by-side air quality comparison between Bhilai and Perundurai.
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 | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 44.90 | 6.80 |
| PM10(µg/m³) | 52.30 | 8.00 |
| NO₂(µg/m³) | 45.10 | 11.30 |
| SO₂(µg/m³) | 64.50 | 3.20 |
| O₃(µg/m³) | 35.00 | 32.00 |
| CO(µg/m³) | 664.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Perundurai averaged 75 — a 2-point (3%) gap, with Perundurai the more polluted and Bhilai the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 53 of them; the average daily gap was 55 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Perundurai has better air quality with an AQI of 11 compared to Bhilai's 75. That's a significant difference of 64 points.