Respira
Pollen in San Antonio, Texas
Mountain cedar country. The December and January juniper counts here are the largest single-species readings recorded anywhere in the United States, and locals call the reaction cedar fever.
San Antonio sits in the Southwest, which is what decides the shape of its pollen year. 9 of the eleven species Respira reports in the United States occur here.
In season in San Antonio right now
As of October, these are the species expected to be in the air in San Antonio:
This is the seasonal expectation for the Southwest, not a measurement. The app reports the level measured for your own location each day, and says so when there is no reading rather than showing a zero.
Pollen calendar for San Antonio
Month by month intensity for every species that occurs in the Southwest. Darker means higher. The current month is marked.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ragweed | Jan: none | Feb: none | Mar: none | Apr: none | May: none | Jun: none | Jul: none | Aug: moderate | Sep: high | Oct: moderate | Nov: none | Dec: none |
| Grass | Jan: low | Feb: low | Mar: moderate | Apr: high | May: high | Jun: high | Jul: high | Aug: moderate | Sep: moderate | Oct: low | Nov: low | Dec: low |
| Oak | Jan: none | Feb: low | Mar: high | Apr: high | May: moderate | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: none | Dec: none |
| Maple | Jan: none | Feb: moderate | Mar: high | Apr: moderate | May: low | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: none | Dec: none |
| Juniper / Cedar | Jan: very high | Feb: high | Mar: low | Apr: none | May: none | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: low | Dec: very high |
| Elm | Jan: low | Feb: moderate | Mar: moderate | Apr: low | May: none | Jun: none | Jul: none | Aug: low | Sep: moderate | Oct: moderate | Nov: none | Dec: low |
| Ash | Jan: none | Feb: moderate | Mar: high | Apr: moderate | May: none | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: none | Dec: none |
| Cottonwood | Jan: none | Feb: high | Mar: very high | Apr: moderate | May: none | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: none | Dec: none |
| Pine | Jan: none | Feb: low | Mar: moderate | Apr: moderate | May: low | Jun: none | Jul: none | Aug: none | Sep: none | Oct: none | Nov: none | Dec: none |
Seasonal estimate by climate zone, not a measurement. Seasons shift with elevation and with the year's weather.
What grows around San Antonio
- Ragweed
- Peaks in September.
- Grass
- Peaks in April, May, June and July.
- Oak
- Peaks in March and April.
- Maple
- Peaks in March.
- Juniper / Cedar
- Peaks in January and December.
- Elm
- Peaks in February, March, September and October.
- Ash
- Peaks in March.
- Cottonwood
- Peaks in March.
- Pine
- Peaks in March and April.
Track today's levels in San Antonio
This page is the shape of the year. For today's actual numbers, Respira reports the eleven US species for wherever you are, air quality on the EPA scale, and a symptom diary you can export as a PDF for your allergist.
Frequently asked questions
Which pollen is in the air in San Antonio right now?
In October, the species typically in season in San Antonio are Ragweed, Grass, Elm. This is the seasonal expectation for the Southwest, not a measurement for today.
When is pollen season in San Antonio?
Ragweed peaks in September. Grass peaks in April, May, June and July. Oak peaks in March and April. Maple peaks in March. Juniper / Cedar peaks in January and December. Elm peaks in February, March, September and October. Ash peaks in March. Cottonwood peaks in March. Pine peaks in March and April.
Which pollen species are reported in San Antonio?
9 of the eleven species Respira reports in the United States occur around San Antonio: Ragweed, Grass, Oak, Maple, Juniper / Cedar, Elm, Ash, Cottonwood, Pine. San Antonio sits in the Southwest, which is what decides which species occur and when.
Where does the pollen data for San Antonio come from?
The month-by-month calendar on this page is a seasonal estimate for the Southwest. For measured daily levels, the Respira app uses the Google Pollen API across the United States, and reports no reading rather than a zero when a species has no data.
Nearby cities
Respira is an informational tool. It does not replace diagnosis or advice from a medical professional.