AQI PM2.5 PM10 CO SO2 NO2 O3

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Colombo Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Western

Last Updated: 2025-05-28 09:09:07 PM (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 20 µg/m³

PM2.5 : 12 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2025-05-28 09:09:07 PM (Local Time)

Map

Colombo

Major Air Pollutants
Colombo

Particulate Matter(PM2.5)

12µg/m³

Particulate Matter(PM10)

20µg/m³

Carbon Monoxide(CO)

424ppb

Sulfur Dioxide(SO2)

4ppb

Nitrogen Dioxide(NO2)

7ppb

Ozone(O3)

10ppb

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AQI Graph

Historical Air Quality Data
Colombo

24 Hours

AQI

Colombo

Want air quality data?

AQI Trends - Annual Air Quality Changes
Colombo, Western, Sri Lanka

AQI

Year

AQI

Annual AQI Trends

2020

52AQI

2021

55AQI

Rise

2022

73AQI

33%

Rise

2023

66AQI

-10%

Fall

2024

62AQI

-6%

Fall

2025

81AQI

31%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

11%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 2022106AQI

Least PollutedAugust, 202135AQI

* This data analysis is from year 2020 - 2025

Colombo's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Colombo US Embassy

Moderate

Sri Lanka's Metro Cities
Air Quality Index

Colombo

Kandy

Sri Jayewardenepura Kotte

temp.27°C

hum.88%

Air Quality Calendar 2025
Colombo

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 75	2 Jan 86	3 Jan 97	4 Jan 95
5 Jan 84	6 Jan 92	7 Jan 99	8 Jan 85	9 Jan 96	10 Jan 87	11 Jan 96
12 Jan 94	13 Jan 110	14 Jan 96	15 Jan 89	16 Jan 80	17 Jan 101	18 Jan 87
19 Jan 78	20 Jan 80	21 Jan 100	22 Jan 90	23 Jan 89	24 Jan 91	25 Jan 72
26 Jan 115	27 Jan 90	28 Jan 136	29 Jan 122	30 Jan 108	31 Jan 87	1 Feb 91

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 115	27 Jan 90	28 Jan 136	29 Jan 122	30 Jan 108	31 Jan 87	1 Feb 91
2 Feb 83	3 Feb 79	4 Feb 83	5 Feb 103	6 Feb 135	7 Feb 107	8 Feb 124
9 Feb 141	10 Feb 168	11 Feb 114	12 Feb 109	13 Feb 95	14 Feb 92	15 Feb 80
16 Feb 78	17 Feb 91	18 Feb 120	19 Feb 110	20 Feb 110	21 Feb 92	22 Feb 96
23 Feb 86	24 Feb 81	25 Feb 95	26 Feb 92	27 Feb 80	28 Feb 79	1 Mar 83

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 86	24 Feb 81	25 Feb 95	26 Feb 92	27 Feb 80	28 Feb 79	1 Mar 83
2 Mar 69	3 Mar 79	4 Mar 108	5 Mar 79	6 Mar 82	7 Mar 86	8 Mar 101
9 Mar 79	10 Mar 94	11 Mar 111	12 Mar 81	13 Mar 88	14 Mar 107	15 Mar 67
16 Mar 89	17 Mar 81	18 Mar 72	19 Mar 92	20 Mar 120	21 Mar 108	22 Mar 93
23 Mar 87	24 Mar 74	25 Mar 81	26 Mar 81	27 Mar 82	28 Mar 78	29 Mar 78
30 Mar 74	31 Mar 68	1 Apr 66	2 Apr 64	3 Apr 56	4 Apr 57	5 Apr 53

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 74	31 Mar 68	1 Apr 66	2 Apr 64	3 Apr 56	4 Apr 57	5 Apr 53
6 Apr 56	7 Apr 56	8 Apr 59	9 Apr 59	10 Apr 65	11 Apr 67	12 Apr 67
13 Apr 72	14 Apr 66	15 Apr 55	16 Apr 60	17 Apr 61	18 Apr 63	19 Apr 68
20 Apr 71	21 Apr 70	22 Apr 68	23 Apr 59	24 Apr 62	25 Apr 58	26 Apr 64
27 Apr 57	28 Apr 60	29 Apr 58	30 Apr 55	1 May 54	2 May 46	3 May 52

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 57	28 Apr 60	29 Apr 58	30 Apr 55	1 May 54	2 May 46	3 May 52
4 May 64	5 May 70	6 May 68	7 May 71	8 May 79	9 May 79	10 May 76
11 May 70	12 May 63	13 May 60	14 May 64	15 May 73	16 May 77	17 May 76
18 May 63	19 May 54	20 May 60	21 May 59	22 May 63	23 May 52	24 May 55
25 May 52	26 May 50	27 May 52	28 May -	29 May -	30 May -	31 May -

Health Advice For People Living In
Colombo

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Colombo

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

Most Polluted Cities 2025
Sri Lanka

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Kandy, Sri Lanka

Moderate

6xabove Standard

Sri Jayewardenepura Kotte, Sri Lanka

Colombo, Sri Lanka

Last Updated: 28 May 2025, 03:50 PM

AQI City Rankings

Air Quality Solutions For Colombo
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Colombo

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Colombo

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Colombo

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Colombo

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Colombo's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Colombo

Frequently Asked Questions About Air Quality

What is the current AQI level in Colombo?

The current real-time AQI level in Colombo is 57 (Moderate) due to recent rainfall by 0.17mm/hr. This was last updated 2025-05-28 09:09:07 PM (Local Time).

When was the best AQI level in Colombo in the last 24 hours?

The best AQI level was 44 (Good) at 6:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Colombo in the last 24 hours?

The worst AQI level was 82 (Moderate) at 11:09 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Colombo during last 24 hours?

The AQI levels in Colombo have been fluctuating throughout the last 24 hours. The levels have increased by highest 82 at 11:09 AM (Local Time), lowest 44 at 6:09 AM (Local Time).

What actions are recommended as per the current AQI level in Colombo?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.