What is the air quality in Altoona today?

The current Air Quality Index (AQI) in Altoona is 36 (Good). PM2.5 concentration is 8.6 µg/m³.

What is the temperature in Altoona right now?

The current temperature in Altoona is 7.2°C (feels like 5.0°C). Humidity is 87.0% and wind speed is 11.9 km/h.

Is it safe to go outside in Altoona?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Altoona, United States

Cloudy

7.2°C · 87.0% humidity

7.2°

Feels 5.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

43h · 1 stn

View full history →

Altoona's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

87.0%

Humidity

11.9 km/h

Wind ESE

1027.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Altoona?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station

PM2.58.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

8.6

Median

8.6

Average

8.6

Low

8.6

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -2.6

What is the 7-day forecast for Altoona?

10-20

12.1° 0.7°

0.06 mm

10-21

19.5° 2.0°

10-22

19.0° 5.2°

0.06 mm

10-23

10.0° 0.8°

14.56 mm

10-24

13.2° 3.8°

10-25

11.8° 4.1°

5.94 mm

10-26

9.3° 6.2°

4.0 mm

Both models agree Avg diff: 4.7°C

Where are air quality stations near Altoona?

Altoona, Pennsylvania, USA

0.6 km PM2.5: 7.2 µg/m³

Altoona, Pennsylvania, USA

0.6 km PM2.5: 8.6 µg/m³

What cities are near Altoona?

25 Johnstown 36 State College 32 Chambersburg 38 Cumberland 20 Carlisle 18 Murrysville 25 Hagerstown 20 Plum 18 Monroeville 22 Penn Hills

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T21:47 UTC.