Air Quality · UV · Pollen

Air quality in City of Johannesburg Metropolitan Municipality

Gauteng, South Africa · 27 October 2026

2/6

Moderate

Air Quality · US EPA

2/6

Moderate

UV Index · max

12.5

Extreme

Pollen · dominant

Very High

Grass

Air quality breakdown Moderate

US EPA 2/6 · UK DEFRA 1/10 · µg/m³.

PM2.5 11 µg/m³

PM10 11 µg/m³

O3 88 µg/m³

NO2 16 µg/m³

SO2 25 µg/m³

CO 252 µg/m³

Acceptable for most; unusually sensitive people should watch for symptoms.

Today's maximum UV is 12.5.

036811+

Avoid the sun midday; unprotected skin burns within minutes.

Dominant allergen: Grass · 192 grains/m³.

Trees

no data

None

Grass

Grass · 192

Very High

Weeds

Ragweed · 52

High

High pollen - allergy sufferers should keep windows closed midday, shower after time outdoors, and consider antihistamines.