Smog in Colombo — Live Data: AQI, Fine Dust, Wind, UV and Health Advice
Pollution and air quality forecast for Colombo. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Colombo:- particulate matter (PM2.5) dust - 6 (Good)
- particulate matter (PM10) suspended dust - 8 (Good)
- ozone (O3) - 31 (Good)
- nitrogen dioxide (NO2) - 11 (Good)
- sulfur dioxide (SO2) - 4 (Good)
- carbon monoxide (CO) - 170 (Good)
What is the air quality in Colombo today? Is the air polluted in Colombo?. Is there smog?
What is the current level of PM2.5 in Colombo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
6 (Good)
For comparison, the highest level of PM2.5 in Colombo in the last 7 days was: 18 (Saturday, August 22, 2026) and the lowest: 7 (Tuesday, August 25, 2026).
The highest PM2.5 values were recorded: 50 (January 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: August (11).
What is the level of PM10 today in Colombo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Colombo is:
8 (Good)
How is the O3 level today in Colombo? (ozone (O3))
31 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
11 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
4 (Good)
How high is the CO level? (carbon monoxide (CO))
170 (Good)
Current data Thursday, August 27, 2026 at 6:30 AM
PM2,5 6 (Good)
PM10 8 (Good)
O3 31 (Good)
NO2 11 (Good)
SO2 4 (Good)
CO 170 (Good)
Data on air pollution from recent days in Colombo
index
2026-08-27
2026-08-26
2026-08-25
2026-08-24
2026-08-23
2026-08-22
2026-08-21
2026-08-20
pm25
9
Good
8
Good
7
Good
10
Good
12
Good
18
Moderate
15
Moderate
9
Good
pm10
13
Good
11
Good
10
Good
14
Good
18
Good
26
Moderate
22
Moderate
13
Good
o3
33
Good
35
Good
34
Good
33
Good
40
Good
45
Good
42
Good
40
Good
no2
15
Good
15
Good
13
Good
12
Good
10
Good
16
Good
13
Good
12
Good
so2
6
Good
7
Good
6
Good
6
Good
5
Good
7
Good
6
Good
6
Good
co
196
Good
208
Good
201
Good
199
Good
154
Good
195
Good
203
Good
185
Good
data source »
Air pollution in Colombo from September 2017 to May 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
pm25
16 (Moderate)
15 (Moderate)
32 (Moderate)
38 (Unhealthy for Sensitive Groups)
37 (Unhealthy for Sensitive Groups)
27 (Moderate)
28 (Moderate)
16 (Moderate)
12 (Good)
11 (Good)
13 (Good)
12 (Good)
17 (Moderate)
23 (Moderate)
40 (Unhealthy for Sensitive Groups)
40 (Unhealthy for Sensitive Groups)
43 (Unhealthy for Sensitive Groups)
49 (Unhealthy for Sensitive Groups)
46 (Unhealthy for Sensitive Groups)
28 (Moderate)
23 (Moderate)
19 (Moderate)
22 (Moderate)
20 (Moderate)
21 (Moderate)
23 (Moderate)
32 (Moderate)
38 (Unhealthy for Sensitive Groups)
50 (Unhealthy for Sensitive Groups)
30 (Moderate)
39 (Unhealthy for Sensitive Groups)
26 (Moderate)
20 (Moderate)
data source »
Quality of life in Colombo
Green and Parks in the City
Colombo
62%
Maldives: 31%
India: 48%
Bangladesh: 33%
Myanmar: 33%
particulate matter PM2.5
Colombo
36 (Unhealthy for Sensitive Groups)
Pleasure of spending time in the city
Colombo
52%
Maldives: 37%
India: 40%
Bangladesh: 26%
Myanmar: 24%
particulate matter PM10
Colombo
64 (Unhealthy for Sensitive Groups)
Air Pollution
Colombo
56%
Maldives: 60%
India: 65%
Bangladesh: 78%
Myanmar: 83%
Garbage Disposal
Colombo
41%
Maldives: 30%
India: 34%
Bangladesh: 22%
Myanmar: 12%
Availability and quality of drinking water
Colombo
63%
Maldives: 43%
India: 48%
Bangladesh: 44%
Myanmar: 34%
Cleanliness and tidiness
Colombo
52%
Maldives: 32%
India: 37%
Bangladesh: 23%
Myanmar: 18%
Noise and Light pollution
Colombo
52%
India: 59%
Bangladesh: 63%
Myanmar: 52%
Water Pollution
Colombo
63%
Maldives: 79%
India: 69%
Bangladesh: 74%
Myanmar: 74%
Source: Numbeo
Colombo
Thursday, August 27, 2026 at 6:30 AM
PM2,5 5.9 (Good)
particulate matter (PM2.5) dust
PM10 8.2 (Good)
particulate matter (PM10) suspended dust
O3 31 (Good)
ozone (O3)
NO2 11 (Good)
nitrogen dioxide (NO2)
SO2 3.9 (Good)
sulfur dioxide (SO2)
CO 170 (Good)
carbon monoxide (CO)
Colombo
index
2026-08-20
2026-08-21
2026-08-22
2026-08-23
2026-08-24
2026-08-25
2026-08-26
2026-08-27
pm25
9.1
15
18
12
9.8
7.2
8.4
9
pm10
13
22
26
18
14
9.8
11
13
o3
40
42
45
40
33
34
35
33
no2
12
13
16
10
12
13
15
15
so2
5.5
6.2
7.3
5
6
5.9
6.9
5.8
co
185
203
195
154
199
201
208
196
US Diplomatic Post: Colombo
2017-09 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
pm25
16
15
32
38
37
27
28
16
12
11
13
12
17
23
40
40
43
49
46
28
23
19
22
20
21
23
32
38
50
30
39
26
20
* Pollution data source:
https://openaq.org
(StateAir_Colombo)
The data is licensed under CC-By 4.0
🌦️ Weather · 16-day Forecast — Colombo
PM2,5 6 (Good)
PM10 8 (Good)
O3 31 (Good)
NO2 11 (Good)
SO2 4 (Good)
CO 170 (Good)
Data on air pollution from recent days in Colombo
| index | 2026-08-27 | 2026-08-26 | 2026-08-25 | 2026-08-24 | 2026-08-23 | 2026-08-22 | 2026-08-21 | 2026-08-20 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 9 Good |
8 Good |
7 Good |
10 Good |
12 Good |
18 Moderate |
15 Moderate |
9 Good |
| pm10 | 13 Good |
11 Good |
10 Good |
14 Good |
18 Good |
26 Moderate |
22 Moderate |
13 Good |
| o3 | 33 Good |
35 Good |
34 Good |
33 Good |
40 Good |
45 Good |
42 Good |
40 Good |
| no2 | 15 Good |
15 Good |
13 Good |
12 Good |
10 Good |
16 Good |
13 Good |
12 Good |
| so2 | 6 Good |
7 Good |
6 Good |
6 Good |
5 Good |
7 Good |
6 Good |
6 Good |
| co | 196 Good |
208 Good |
201 Good |
199 Good |
154 Good |
195 Good |
203 Good |
185 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 16 (Moderate) | 15 (Moderate) | 32 (Moderate) | 38 (Unhealthy for Sensitive Groups) | 37 (Unhealthy for Sensitive Groups) | 27 (Moderate) | 28 (Moderate) | 16 (Moderate) | 12 (Good) | 11 (Good) | 13 (Good) | 12 (Good) | 17 (Moderate) | 23 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 40 (Unhealthy for Sensitive Groups) | 43 (Unhealthy for Sensitive Groups) | 49 (Unhealthy for Sensitive Groups) | 46 (Unhealthy for Sensitive Groups) | 28 (Moderate) | 23 (Moderate) | 19 (Moderate) | 22 (Moderate) | 20 (Moderate) | 21 (Moderate) | 23 (Moderate) | 32 (Moderate) | 38 (Unhealthy for Sensitive Groups) | 50 (Unhealthy for Sensitive Groups) | 30 (Moderate) | 39 (Unhealthy for Sensitive Groups) | 26 (Moderate) | 20 (Moderate) |
Green and Parks in the City
Colombo 62%
Maldives: 31% India: 48% Bangladesh: 33% Myanmar: 33%particulate matter PM2.5
Colombo 36 (Unhealthy for Sensitive Groups)
Pleasure of spending time in the city
Colombo 52%
Maldives: 37% India: 40% Bangladesh: 26% Myanmar: 24%particulate matter PM10
Colombo 64 (Unhealthy for Sensitive Groups)
Air Pollution
Colombo 56%
Maldives: 60% India: 65% Bangladesh: 78% Myanmar: 83%Garbage Disposal
Colombo 41%
Maldives: 30% India: 34% Bangladesh: 22% Myanmar: 12%Availability and quality of drinking water
Colombo 63%
Maldives: 43% India: 48% Bangladesh: 44% Myanmar: 34%Cleanliness and tidiness
Colombo 52%
Maldives: 32% India: 37% Bangladesh: 23% Myanmar: 18%Noise and Light pollution
Colombo 52%
India: 59% Bangladesh: 63% Myanmar: 52%Water Pollution
Colombo 63%
Maldives: 79% India: 69% Bangladesh: 74% Myanmar: 74%PM2,5 5.9 (Good)
particulate matter (PM2.5) dustPM10 8.2 (Good)
particulate matter (PM10) suspended dustO3 31 (Good)
ozone (O3)NO2 11 (Good)
nitrogen dioxide (NO2)SO2 3.9 (Good)
sulfur dioxide (SO2)CO 170 (Good)
carbon monoxide (CO)Colombo
| index | 2026-08-20 | 2026-08-21 | 2026-08-22 | 2026-08-23 | 2026-08-24 | 2026-08-25 | 2026-08-26 | 2026-08-27 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 9.1 | 15 | 18 | 12 | 9.8 | 7.2 | 8.4 | 9 |
| pm10 | 13 | 22 | 26 | 18 | 14 | 9.8 | 11 | 13 |
| o3 | 40 | 42 | 45 | 40 | 33 | 34 | 35 | 33 |
| no2 | 12 | 13 | 16 | 10 | 12 | 13 | 15 | 15 |
| so2 | 5.5 | 6.2 | 7.3 | 5 | 6 | 5.9 | 6.9 | 5.8 |
| co | 185 | 203 | 195 | 154 | 199 | 201 | 208 | 196 |
US Diplomatic Post: Colombo
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 16 | 15 | 32 | 38 | 37 | 27 | 28 | 16 | 12 | 11 | 13 | 12 | 17 | 23 | 40 | 40 | 43 | 49 | 46 | 28 | 23 | 19 | 22 | 20 | 21 | 23 | 32 | 38 | 50 | 30 | 39 | 26 | 20 |
16-day weather forecast for Colombo: today around 31°C (rain), lows near 25°C. Daily temperature and conditions, updated every day. Strong wind (about 24 km/h) is actively clearing smog and dust away.
☀️ UV Index · 16-day Forecast — Colombo
The UV index in Colombo today is 8.5 (very high) — unprotected fair skin can burn in about 25 minutes.
📍 Air quality in nearby cities
Live PM2.5 around Colombo — compare nearby locations.
- Moratuwa 6 µg/m³
- Negombo 6 µg/m³
- Jaffna 6 µg/m³
- Kandy District 2 µg/m³
- Trincomalee 2 µg/m³
- Kalmunai 7 µg/m³