Galveston 99th Street, Houston, Texas Air Pollution:
Real-time Air Quality Index (AQI)

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Galveston 99th Street, Houston, Texas AQI: Galveston 99th Street, Houston, Texas Real-time Air Quality Index (AQI).
42
Good
Updated on Saturday 12:00
temperature: 21°C
currentpast 2 daysminmax
PM2.5 AQI
42Galveston 99th Street, Houston, 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.1154
O3 AQI
30Galveston 99th Street, Houston, Texas, Texas O3 (ozone) measured by : • Texas Commission on Environmental Quality (TCEQ) • Air Now - US EPA. Values are converted to the US EPA AQI standard.2741
NO2 AQI
1Galveston 99th Street, Houston, Texas, Texas NO2 (nitrogen dioxide) measured by : • Texas Commission on Environmental Quality (TCEQ) • Air Now - US EPA. Values are converted to the US EPA AQI standard.05
Weather Information
Temp.
21Galveston 99th Street, Houston, Texas, Texas t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).1922
Pressure
1011Galveston 99th Street, Houston, Texas, Texas p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10101020
Humidity
98Galveston 99th Street, Houston, Texas, Texas h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).82100
Wind
14Galveston 99th Street, Houston, Texas, Texas w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).418
MarkerMarkerMarkerMarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
SAT 29
24°C
20°C
SUN 30
23°C
21°C
MON 31
27°C
21°C
TUE 1
22°C
21°C
WED 2
24°C
21°C
PM2.5
O3
Saturday 29Sunday 30Monday 31Tuesday 1Wednesday 2
hour
036912151822147101316192214710131619221471013161922147101316
Wind Speed (m/s)
776776677556676565422324778877889109789






































Temp.
20°20°21°23°23°23°21°21°21°21°22°23°23°23°21°21°21°21°22°26°27°24°23°22°21°21°21°22°22°22°21°22°21°22°22°23°24°23°
relative humidity
9293908181849294979996908991989998989277698688928891908992969794989493869094
barometric pressure
10121010101110121011100910091010100810091011101110091008100810091008100910111012101010111012101310131012101310131010100810081007100510051006100810071006
total precipitation
1.44.60.10.10.10.10.10.10.1
UVI:
8


6:14 ~ 18:36
UVI:
8


6:13 ~ 18:37
UVI:
7


6:12 ~ 18:37
UVI:
4


6:11 ~ 18:38
UVI:
10


6:10 ~ 18:38
Forecast plotted using timezone -06:00
Latest forecast updates:
Wind: 2 hours ago [Mar 29, 2025 5:16 PM]
fine particulate matter: a day ago [Mar 28, 2025 9:04 PM]
ozone: a day ago [Mar 28, 2025 9:09 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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