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Houston air quality · Texas, United States

64 ModerateUS AQI

Wind speed and direction shape what you breathe right now

US AQI 64 (Moderate) in Houston, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated

Pollutants in Houston

US values are per-pollutant AQI from the highest-reading monitor near Houston (Houston Deer Park C35).

Is it safe outside in Houston right now?

Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors.

Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.

What US AQI 51–100 means for your health →

Houston air quality history

Daily average, 36 days
010020014 Sept: 5615 Sept: 5716 Sept: 5617 Sept: 6218 Sept: 7319 Sept: 8120 Sept: 7821 Sept: 5622 Sept: 6523 Sept: 8224 Sept: 8225 Sept: 7626 Sept: 7527 Sept: 8128 Sept: 7229 Sept: 6830 Sept: 491 Oct: 492 Oct: 433 Oct: 464 Oct: 545 Oct: 496 Oct: 567 Oct: 638 Oct: 699 Oct: 7910 Oct: 7711 Oct: 5712 Oct: 5113 Oct: 5014 Oct: 4615 Oct: 6416 Oct: 4817 Oct: 3018 Oct: 4619 Oct: 6114 Sept19 Oct

The last 7 days averaged 49, better than the week before (64). 10 of the last 36 days were Good.

Weather in Houston

No active National Weather Service alerts for Houston.

DayForecastHighLowRain
Mon 19Mostly Sunny79°F61°F1%
Tue 20Sunny81°F63°F1%
Wed 21Sunny84°F63°F1%
Thu 22Sunny84°F63°F0%
Fri 23Sunny86°F64°F0%
Sat 24Sunny86°F66°F0%
Sun 25Mostly Sunny84°F66°F3%

National Weather Service forecast. All US weather alerts →

Nearby cities

US ranking

All 21 cities in Texas →

US AQI ranking →

Houston air quality: common questions

What is the AQI in Houston right now?

The US AQI in Houston is 64 (Moderate). The main pollutant is PM2.5.

Is it safe to go outside in Houston today?

Fine for most people. Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors. For runners: Fine for most; unusually sensitive people should ease the pace.

How has air quality in Houston been recently?

Over the last 36 days with data, Houston averaged US AQI 61. The worst day was 24 September at 82; the cleanest was 17 October at 30. 0 days were at Unhealthy or worse.

Where does Houston's air quality data come from?

From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.

Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.