Old Hwy 90, San Antonio, Texas Air Pollution:
Real-time Air Quality Index (AQI)

Old Hwy 90, San Antonio, Texas
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Old Hwy 90, San Antonio, Texas AQI: Old Hwy 90, San Antonio, Texas Real-time Air Quality Index (AQI).
58
Moderate
Updated on Wed. 17:00
temperature: 31°C
currentpast 2 daysminmax
PM2.5 AQI
58Old Hwy 90, San Antonio, Texas, Texas PM25 (fine particulate matter) measured by : • Texas Commission on Environmental Quality (TCEQ) • Air Now - US EPA. Values are converted to the US EPA AQI standard.258
Weather Information
Temp.
31Old Hwy 90, San Antonio, Texas, Texas t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).2637
Pressure
1013Old Hwy 90, San Antonio, Texas, Texas p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10131018
Humidity
57Old Hwy 90, San Antonio, Texas, Texas h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).3990
Wind
5Old Hwy 90, San Antonio, Texas, Texas w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).29
MarkerMarkerMarkerMarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
WED 13
36°C
24°C
THU 14
38°C
25°C
FRI 15
37°C
24°C
SAT 16
35°C
23°C
SUN 17
38°C
23°C
MON 18
38°C
23°C
PM2.5
Wednesday 13Thursday 14Friday 15Saturday 16Sunday 17Monday 18
hour
03691215182103691215182103691215182103691215182103691215182103691215
Wind Speed (m/s)
3122234642344478544577975346666743345569521334














































Temp.
26°25°25°32°36°35°32°29°27°26°26°32°37°36°34°28°26°25°25°31°37°32°31°26°25°24°24°31°35°34°32°27°25°24°24°31°35°38°37°30°26°24°23°29°35°38°
relative humidity
66767549333342567274764431293359798986503444476276797955393748718695925435252451718994623526
barometric pressure
1014101410151015101310111011101310141013101510151013101110111014101510151016101710151015101510171017101610171017101510121012101510151015101610161015101210111012101410151015101610151012
total precipitation
0.10.10.10.40.40.8
UVI:
10


6:02 ~ 19:19
UVI:
10


6:02 ~ 19:18
UVI:
10


6:03 ~ 19:17
UVI:
9


6:04 ~ 19:16
UVI:
11


6:04 ~ 19:15
UVI:
0


6:05 ~ 19:14
Forecast plotted using timezone -06:00
Latest forecast updates:
Wind: 20 hours ago [Aug 13, 2025 4:40 AM]
fine particulate matter: 11 hours ago [Aug 13, 2025 2:14 PM]
click to view the detailed forecast

Air Quality Data provided by: the Texas Commission on Environmental Quality (TCEQ) (tceq.texas.gov) and Air Now - US EPA (airnow.gov)

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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