Air Quality · UV · Pollen

Air quality in San Antonio

Texas, United States · November 12 2026

2/6

Moderate

Air Quality · US EPA

2/6

Moderate

UV Index · max

4.2

Moderate

Pollen · dominant

Low

Ragweed

Air quality breakdown Moderate

US EPA 2/6 · UK DEFRA 1/10 · µg/m³.

PM2.5 10 µg/m³

PM10 10 µg/m³

O3 45 µg/m³

NO2 17 µg/m³

SO2 1.0 µg/m³

CO 287 µg/m³

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

Today's maximum UV is 4.2.

036811+

Seek shade near midday; sunscreen and a hat recommended.

Dominant allergen: Ragweed · 0 grains/m³.

Trees

no data

None

Grass

no data

None

Weeds

Ragweed · 0

Low

Low to moderate pollen - most people are unaffected; the highly sensitive may notice mild symptoms.