Perundurai vs Raipur
Side-by-side air quality comparison between Perundurai and Raipur.
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 | Perundurai | Raipur |
|---|---|---|
| PM2.5(µg/m³) | 9.20 | 46.40 |
| PM10(µg/m³) | 10.30 | 52.30 |
| NO₂(µg/m³) | 10.50 | 43.70 |
| SO₂(µg/m³) | 3.60 | 70.60 |
| O₃(µg/m³) | 35.00 | 42.00 |
| CO(µg/m³) | 172.00 | 484.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Raipur averaged 74 — a 1-point (1%) gap, with Perundurai the more polluted and Raipur the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 54 of them; the average daily gap was 58 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Raipur was 0% Severe and 54.3% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Raipur 70 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Raipur hit AQI 226 at AIIMS (CECB) on 2023-12-26.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Raipur spans 4 stations with a 42-point spread (min 63, max 105).
Verdict
🏆 Perundurai has better air quality with an AQI of 15 compared to Raipur's 78. That's a significant difference of 63 points.