Skip to content

Delhi vs Kolār

Side-by-side air quality comparison between Delhi and Kolār.

Cleaner right now: Kolār (161-pt gap)Historical head-to-head: Kolār cleaner 1167/1181 daysYoY 20162024: Delhi -16.7% · Kolār -46.3%

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

Delhi

Delhi, India

Moderate

PM2.5: 80.8 µg/m³

View full AQI →
VS
🏆 Cleaner

Kolār

Karnataka, India

Good

PM2.5: 5.1 µg/m³

View full AQI →
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantDelhiKolār
PM2.5(µg/m³)80.805.10
PM10(µg/m³)143.906.20
NO₂(µg/m³)41.808.80
SO₂(µg/m³)33.004.30
O₃(µg/m³)63.0034.00
CO(µg/m³)568.00183.00

CPCB Multi-Year History (2016–2024)

Loading historical data…

Summary

Overview

In 2024, Delhi averaged an AQI of 210 while Kolār averaged 65 — a 145-point (223%) gap, with Delhi the more polluted and Kolār the cleaner of the two. On 1181 days when both cities reported, Kolār was cleaner on 1167 of them; the average daily gap was 236 AQI points.

Seasonality & days

Delhi peaks in November, while Kolār peaks in September. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Kolār 17 days.

Year-over-year progress

Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.

Station-level disparity

Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Kolār spans 1 stations with a 0-point spread (min 71, max 71).

Verdict

🏆 Kolār has better air quality with an AQI of 9 compared to Delhi's 170. That's a significant difference of 161 points.

Popular Comparisons