Agartala vs Kollam
Side-by-side air quality comparison between Agartala and Kollam.
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 | Agartala | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 31.90 | 4.10 |
| PM10(µg/m³) | 39.10 | 6.90 |
| NO₂(µg/m³) | 3.70 | 1.50 |
| SO₂(µg/m³) | 3.60 | 0.70 |
| O₃(µg/m³) | 160.00 | 49.00 |
| CO(µg/m³) | 250.00 | 97.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Agartala averaged an AQI of 140 while Kollam averaged 84 — a 56-point (67%) gap, with Agartala the more polluted and Kollam the cleaner of the two. On 896 days when both cities reported, Kollam was cleaner on 500 of them; the average daily gap was 63 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Agartala logged 0% Severe days and 52.900000000000006% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Agartala 87 days, Kollam 65 days.
Year-over-year progress
Agartala has improved by 13 AQI points (8.5%) from 2020 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Agartala reached AQI 364 at Kunjaban Agartala (SPCB) on 2022-12-16; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Agartala spans 2 CPCB stations with a 10-point spread (min 109, max 119); Kollam spans 1 stations with a 0-point spread (min 84, max 84).
Verdict
🏆 Kollam has better air quality with an AQI of 7 compared to Agartala's 54.