Nayāgarh vs Perundurai
Side-by-side air quality comparison between Nayāgarh 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 | Nayāgarh | Perundurai |
|---|---|---|
| PM2.5(µg/m³) | 43.90 | 9.20 |
| PM10(µg/m³) | 48.80 | 10.30 |
| NO₂(µg/m³) | 10.80 | 10.50 |
| SO₂(µg/m³) | 8.30 | 3.60 |
| O₃(µg/m³) | 79.00 | 35.00 |
| CO(µg/m³) | 439.00 | 172.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nayāgarh averaged an AQI of 98 while Perundurai averaged 75 — a 23-point (31%) gap, with Nayāgarh the more polluted and Perundurai the cleaner of the two. On 48 days when both cities reported, Perundurai was cleaner on 35 of them; the average daily gap was 37 AQI points.
Seasonality & days
Nayāgarh peaks in April, while Perundurai peaks in November. Nayāgarh logged 0% Severe days and 47.400000000000006% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Nayāgarh 52 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Nayāgarh reached AQI 336 at Dabuna (OSPCB) on 2023-03-13; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Nayāgarh spans 1 CPCB stations with a 0-point spread (min 116, max 116); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Perundurai has better air quality with an AQI of 15 compared to Nayāgarh's 74. That's a significant difference of 59 points.