---
station_id: cpcb-100417
raw_id: 100417
name: "Tikri Kalan"
city: "Delhi"
state: ""
country: India
provider: cpcb
provider_name: "Central Pollution Control Board, Government of India"
lat: 28.67518
lon: 76.980506
aqi: 431
band: severe
yll_years: 31.5
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/100417
---

# Tikri Kalan: Air Quality

Current AQI: **431 (Severe)** as of 12 Nov 2026, 21:35 IST.

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

## Pollutants

| Pollutant | Value | Unit |
|---|---|---|
| PM2.5 | 326.4 | µg/m³ |
| PM10 | 481.77 | µg/m³ |
| NO₂ | 123.98 | µg/m³ |
| SO₂ | 6.88 | µg/m³ |
| O₃ | 9.85 | µg/m³ |
| NH₃ | 21.61 | µg/m³ |
| CO | 3.56 | mg/m³ |

## Estimated health impact (AQLI)

If this PM2.5 level (326.4 µg/m³) persisted as the annual average, the Air Quality Life Index estimates **31.50 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: 28.6752° N, 76.9805° 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.