Kolār vs Meerut
Side-by-side air quality comparison between Kolār and Meerut.
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 | Meerut |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | — |
| PM10(µg/m³) | 10.80 | — |
| NO₂(µg/m³) | 1.40 | — |
| SO₂(µg/m³) | 2.00 | — |
| O₃(µg/m³) | 86.00 | — |
| CO(µg/m³) | 137.00 | — |
| NH3(µg/m³) | — | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Meerut averaged 144 — a 79-point (122%) gap, with Meerut the more polluted and Kolār the cleaner of the two. On 834 days when both cities reported, Kolār was cleaner on 765 of them; the average daily gap was 145 AQI points.
Seasonality & days
Kolār peaks in September, while Meerut peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Meerut was 2% Severe and 22.299999999999997% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Meerut 25 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Meerut has improved by 116 AQI points (44.6%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Meerut hit AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Meerut spans 3 stations with a 13-point spread (min 172, max 185).
Verdict
🏆 Kolār has better air quality with an AQI of 11 compared to Meerut's 202. That's a significant difference of 191 points.