Arrah vs Thane
Side-by-side air quality comparison between Arrah and Thane.
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 | Arrah | Thane |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 17.80 |
| PM10(µg/m³) | 115.50 | 42.60 |
| NO₂(µg/m³) | 53.70 | 10.10 |
| SO₂(µg/m³) | 13.70 | 10.60 |
| O₃(µg/m³) | 10.00 | 42.00 |
| CO(µg/m³) | 944.00 | 162.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Thane averaged 95 — a 28-point (29%) gap, with Arrah the more polluted and Thane the cleaner of the two. Across 235 shared days the head-to-head is almost even, with an average daily gap of 58 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Thane was 0% Severe and 53.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Thane 99 days.
Year-over-year progress
The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Thane hit AQI 302 at Kasarvadavali (MPCB) on 2024-03-21.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Thane spans 2 stations with a 9-point spread (min 90, max 99).
Verdict
🏆 Thane has better air quality with an AQI of 43 compared to Arrah's 231. That's a significant difference of 188 points.