Skip to content

Ooty vs Silchar

Side-by-side air quality comparison between Ooty and Silchar.

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

Ooty

Tamil Nadu, India

Data unavailable

View full AQI →
VS

Silchar

Assam, India

Satisfactory

PM2.5: 53.0 µg/m³

View full AQI →

CPCB Multi-Year History (2016–2024)

Loading historical data…

Summary

Overview

In 2024, Ooty averaged an AQI of 58 while Silchar averaged 52 — a 6-point (12%) gap, with Ooty the more polluted and Silchar the cleaner of the two. On 467 days when both cities reported, Silchar was cleaner on 298 of them; the average daily gap was 22 AQI points.

Seasonality & days

Ooty peaks in May, while Silchar peaks in February. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Silchar 87 days.

Year-over-year progress

Ooty is essentially flat from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.

Station-level disparity

Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Silchar spans 1 stations with a 0-point spread (min 47, max 47).

Popular Comparisons