Ooty vs Varanasi
Side-by-side air quality comparison between Ooty and Varanasi.
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 | Ooty | Varanasi |
|---|---|---|
| PM2.5(µg/m³) | 4.40 | 43.90 |
| PM10(µg/m³) | 5.00 | 53.10 |
| NO₂(µg/m³) | 7.00 | 33.30 |
| SO₂(µg/m³) | 0.90 | 32.00 |
| O₃(µg/m³) | 32.00 | 30.00 |
| CO(µg/m³) | 130.00 | 422.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ooty averaged an AQI of 58 while Varanasi averaged 56 — a 2-point (4%) gap, with Ooty the more polluted and Varanasi the cleaner of the two. On 315 days when both cities reported, Ooty was cleaner on 226 of them; the average daily gap was 42 AQI points.
Seasonality & days
Ooty peaks in May, while Varanasi peaks in January. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Varanasi 87 days.
Year-over-year progress
Ooty is essentially flat from 2022 to 2024; Varanasi has improved by 169 AQI points (75.1%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).
Verdict
🏆 Ooty has better air quality with an AQI of 7 compared to Varanasi's 74. That's a significant difference of 67 points.