Smog in Welkom — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Welkom

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Pollution and air quality forecast for Welkom. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Welkom:

particulate matter (PM2.5) dust - 18 (Moderate)
particulate matter (PM10) suspended dust - 18 (Good)
ozone (O3) - 63 (Good)
nitrogen dioxide (NO2) - 7 (Good)
sulfur dioxide (SO2) - 24 (Good)
carbon monoxide (CO) - 303 (Good)

Real-time Air Quality Index (AQI) for Welkom, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Welkom today? Is the air polluted in Welkom?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Welkom. Some pollutants in Welkom may slightly affect very few hypersensitive individuals. Air pollutants in Welkom may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Welkom? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 18 (Moderate) For comparison, the highest level of PM2.5 in Welkom in the last 7 days was: 17 (Thursday, August 27, 2026) and the lowest: 6 (Sunday, August 23, 2026).

What is the level of PM10 today in Welkom? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Welkom is: 18 (Good)

How is the O3 level today in Welkom? (ozone (O3))
63 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
7 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
24 (Good)

How high is the CO level? (carbon monoxide (CO))
303 (Good)

Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 18 (Moderate)

PM10 18 (Good)

O3 63 (Good)

NO2 7 (Good)

SO2 24 (Good)

CO 303 (Good)

Data on air pollution from recent days in Welkom

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	17 Moderate	14 Moderate	15 Moderate	15 Moderate	6 Good	7 Good	14 Moderate	15 Moderate
pm10	17 Good	14 Good	15 Good	16 Good	6 Good	7 Good	14 Good	15 Good
o3	82 Moderate	67 Good	70 Moderate	66 Good	64 Good	67 Good	61 Good	76 Moderate
no2	7 Good	8 Good	10 Good	9 Good	4 Good	4 Good	9 Good	7 Good
so2	17 Good	6 Good	9 Good	8 Good	5 Good	5 Good	8 Good	11 Good
co	294 Good	339 Good	337 Good	233 Good	145 Good	153 Good	309 Good	238 Good

data source »

Quality of life in Welkom

Green and Parks in the City

Welkom 38%

Lesotho: 64% Namibia: 52% Botswana: 30% Zimbabwe: 41%

Pleasure of spending time in the city

Welkom 41%

Lesotho: 54% Namibia: 72% Botswana: 67% Zimbabwe: 37%

Air Pollution

Welkom 55%

Lesotho: 46% Namibia: 32% Botswana: 36% Zimbabwe: 60%

Garbage Disposal

Welkom 27%

Lesotho: 18% Namibia: 65% Botswana: 55% Zimbabwe: 23%

Availability and quality of drinking water

Welkom 47%

Lesotho: 64% Namibia: 66% Botswana: 60% Zimbabwe: 28%

Cleanliness and tidiness

Welkom 22%

Lesotho: 46% Namibia: 65% Botswana: 51% Zimbabwe: 24%

Noise and Light pollution

Welkom 40%

Lesotho: 57% Namibia: 46% Botswana: 26% Zimbabwe: 62%

Water Pollution

Welkom 67%

Lesotho: 67% Namibia: 45% Botswana: 39% Zimbabwe: 85%

Source: Numbeo

Welkom

Thursday, August 27, 2026 at 3:00 AM

PM2,5 18 (Moderate)

particulate matter (PM2.5) dust

PM10 18 (Good)

particulate matter (PM10) suspended dust

O3 63 (Good)

ozone (O3)

NO2 7.3 (Good)

nitrogen dioxide (NO2)

SO2 24 (Good)

sulfur dioxide (SO2)

CO 303 (Good)

carbon monoxide (CO)

Welkom

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	15	14	7.3	5.9	15	15	14	17
pm10	15	14	7.5	6.2	16	15	14	17
o3	76	61	67	64	66	70	67	82
no2	7.4	8.6	4.5	4.3	8.6	10	7.9	6.8
so2	11	7.6	4.5	4.7	7.8	8.7	6	17
co	238	309	153	145	233	337	339	294

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Welkom

16-day weather forecast for Welkom: today around 25°C (clear sky), lows near 12°C. Daily temperature and conditions, updated every day. A moderate breeze (about 10 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Welkom

The UV index in Welkom today is 6.2 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Welkom — compare nearby locations.

Bloemfontein 23 µg/m³
Botshabelo 24 µg/m³
MaseruLesotho 29 µg/m³
Vereeniging 15 µg/m³
Cape Town 105 µg/m³
Durban 15 µg/m³
Johannesburg 17 µg/m³
Soweto 17 µg/m³

Frequently asked questions

Is the air safe to breathe in Welkom today?

The current average PM2.5 across Welkom is about 18 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Welkom?

Right now PM2.5 in Welkom averages about 18 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Welkom?

Over the past week, the highest daily PM2.5 in Welkom was recorded on Thursday, August 27 (about 17 µg/m³).

What is the UV index in Welkom today?

The UV index in Welkom today is 6.2 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Welkom?

A moderate breeze (about 10 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.