---
station_id: cpcb-5120
raw_id: 5120
name: "Colaba"
city: "Mumbai"
state: ""
country: India
provider: cpcb
provider_name: "Central Pollution Control Board, Government of India"
lat: 18.91
lon: 72.82
aqi: 74
band: satisfactory
yll_years: 3.72
updated: 2026-11-12T16:05:12.214Z
updated_local: "12 Nov 2026, 21:35 IST"
source: https://oaq.notf.in
mirror: https://mugilu.live/s/cpcb/5120
---

# Colaba: Air Quality

Current AQI: **74 (Satisfactory)** as of 12 Nov 2026, 21:35 IST.

Located in Mumbai, India. Source: **Central Pollution Control Board, Government of India** via OAQ.

## Pollutants

| Pollutant | Value | Unit |
|---|---|---|
| PM2.5 | 42.91 | µg/m³ |
| PM10 | 74 | µg/m³ |
| NO₂ | 31.47 | µg/m³ |
| SO₂ | 18.34 | µg/m³ |
| O₃ | 11.94 | µg/m³ |
| NH₃ | 14.16 | µg/m³ |
| CO | 0.45 | mg/m³ |

## Estimated health impact (AQLI)

If this PM2.5 level (42.91 µg/m³) persisted as the annual average, the Air Quality Life Index estimates **3.72 years** of life expectancy lost vs. the WHO 5 µg/m³ guideline.

Formula: `max(0, PM2.5 − 5) × 0.098 years`. From Ebenstein et al. 2017 PNAS and Greenstone & Fan 2018 (U Chicago EPIC, [aqli.epic.uchicago.edu](https://aqli.epic.uchicago.edu)). This is a long-term exposure model applied to a live snapshot. Treat as an order-of-magnitude indication.

## Location

- Coordinates: 18.9100° N, 72.8200° E

## Source

Data from Central Pollution Control Board, Government of India via OAQ Data Broker (https://oaq.notf.in). Mirrored hourly. Licensed CC BY 4.0.

Part of an open-source mirror. See https://mugilu.live/about.