Hapur vs Ooty
Side-by-side air quality comparison between Hapur 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 | Hapur | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 4.40 |
| PM10(µg/m³) | 97.30 | 5.20 |
| NO₂(µg/m³) | 36.60 | 7.00 |
| SO₂(µg/m³) | 11.50 | 0.90 |
| O₃(µg/m³) | 36.00 | 31.00 |
| CO(µg/m³) | 589.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Ooty averaged 58 — a 84-point (145%) gap, with Hapur the more polluted and Ooty the cleaner of the two. On 570 days when both cities reported, Ooty was cleaner on 464 of them; the average daily gap was 82 AQI points.
Seasonality & days
Hapur peaks in November, while Ooty peaks in May. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Ooty 22 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); 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 Hapur's 140. That's a significant difference of 133 points.