Kolār vs Ooty
Side-by-side air quality comparison between Kolār and Ooty.
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 | Kolār | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 5.90 | 4.40 |
| PM10(µg/m³) | 7.20 | 5.20 |
| NO₂(µg/m³) | 10.90 | 7.00 |
| SO₂(µg/m³) | 4.70 | 0.90 |
| O₃(µg/m³) | 35.00 | 31.00 |
| CO(µg/m³) | 189.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Ooty averaged 58 — a 7-point (12%) gap, with Kolār the more polluted and Ooty the cleaner of the two. On 341 days when both cities reported, Ooty was cleaner on 250 of them; the average daily gap was 38 AQI points.
Seasonality & days
Kolār peaks in September, while Ooty peaks in May. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Ooty 22 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 7 compared to Kolār's 10.