Real-time Air Quality Index (AQI)

Temp:

˚C | ˚F

Humid:

Primary Pollutant

Major Air Pollutants

Wind speed

33 km/h

UV Index

Pressure

800 mb

Air Pollution Graph

(last 48 hrs)

Current

PM2.5

PM10

NO2

SO2

Min.

Max.

Air Quality

Weather

Active Fire

AQI 400+ 400 300 200 100 50 0

55%

Air Quality Index

Severe

36°C

AQI trend in last 24 Hrs.

Min :

Max :

Last Updated: 15 minutes ago

AQI

World Most Polluted CitiesLive Air Quality Ranking

Air Quality Index depicts the extent of air pollution at a particular location. These are world rankings of cities and countries with the worst air quality in real-time. Find out whether your location is among the most polluted.

City Rankings

Country Rankings

Rank

Major Locations

AQI

Your City:

Your Country:

Castro Marim, Portugal

Ban Lam Sam Kaeo, Thailand

693

559

481

460

456

439

437

432

420

418

416

410

407

403

401

396

394

388

384

379

378

372

371

369

368

366

363

362

361

359

358

354

352

351

348

344

342

Good

Moderate

Poor

Unhealthy

Severe

Hazardous

View Full Ranking

Real-time Air Quality Index (AQI)

Current air pollution level and weather condition of your location with the aggregate levels of major air pollutants in the ambient air.

˚C | ˚F

Local Time

Health Advice

How to protect yourself from air pollution around ?

Weather Forecast

Wed

Misty

25˚C

16%

Thu

Misty

25˚C

16%

Fri

Misty

25˚C

16%

Sat

Misty

25˚C

16%

Sun

Misty

25˚C

16%

Mon

Misty

25˚C

16%

Mon

Misty

25˚C

16%

Compare air pollution of vs city

AQI	Station	PM 2.5	PM 10	SO2	NO2	O3	CO	Updated

Compare air pollution of vs city

Compare air pollution of your location vs city

World Most Polluted Cities

Live Air Quality Ranking

City Rankings

Country Rankings

Rank

Major Locations

AQI

Your Country:

Your City:

Castro Marim, Portugal

Ban Lam Sam Kaeo, Thailand

693

559

481

460

456

439

437

432

420

418

416

410

407

403

401

396

394

388

384

379

378

372

371

369

368

366

363

362

361

359

358

354

352

351

348

344

342

Good

Moderate

Poor

Unhealthy

Severe

Hazardous

View Full Ranking

Total number of Good & Bad air quality days in last days at

Good

Moderate

Poor

Unhealthy

Severe

Hazardous

METRO CITIES OF REAL-TIME AIR QUALITY INDEX (AQI)

Explore the real-time air quality - PM2.5, PM10, CO, Ozone, SO2 & NO2 data from AQI ambient air quality monitors

Last Updated: : 23 May 2018, 5: 34 am

Big Cities
AQI
PM2.5
PM10
Ozone
CO
SO2
NO2

BIG CITIES
AQI
PM2.5
PM10
Ozone
CO
SO2
NO2

Big Cities
AQI
PM2.5
PM10
Ozone
CO
SO2
NO2

Air Quality Index Scale

Know about the category of air quality index (AQI) your ambient air falls in and what it implies.

Good

0-50

The air is fresh and free from toxins. People are not exposed to any health risk.

Moderate

51-100

Acceptable air quality for healthy adults but mild threat to sensitive individuals.

Poor

101-200

Inhaling such air can cause slight discomfort and difficulty in breathing.

Unhealthy

201-300

This could be typically problematic for children, pregnant women and the elderly.

Severe

301-400

Exposure to air can cause chronic morbidities or even organ impairment.

Hazardous

401-500⁺

Beware! Your life is in danger. Prolonged exposure can lead to premature death.

AQI Air Quality App

Free AQI Mobile App For Your IOS, Android, And Smart TV Devices

Real-time air quality API for accurate global data

World air pollution map and weather map

Insightful Air quality monitoring dashboard

Know What You Breathe

Prana Air and AQI are one-stop solution providers for indoor and outdoor air quality problems.
Protecting our health and well-being from air pollution.