Perundurai vs Rishīkesh
Side-by-side air quality comparison between Perundurai and Rishīkesh.
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 | Rishīkesh |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 6.70 |
| PM10(µg/m³) | 8.00 | 6.80 |
| NO₂(µg/m³) | 11.30 | 11.00 |
| SO₂(µg/m³) | 3.20 | 2.20 |
| O₃(µg/m³) | 32.00 | 89.00 |
| CO(µg/m³) | 159.00 | 353.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Rishīkesh averaged 74 — a 1-point (1%) gap, with Perundurai the more polluted and Rishīkesh the cleaner of the two. On 54 days when both cities reported, Rishīkesh was cleaner on 27 of them; the average daily gap was 37 AQI points.
Seasonality & days
Perundurai peaks in November, while Rishīkesh peaks in January. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Rishīkesh was 0% Severe and 88.3% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Rishīkesh 95 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Rishīkesh hit AQI 208 at Shivaji Nagar (UKPCB) on 2024-11-11.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Rishīkesh spans 1 stations with a 0-point spread (min 64, max 64).
Verdict
Both Perundurai and Rishīkesh have the same AQI of 11 right now.