What is the air quality in Union Hill-Novelty Hill today?

The current Air Quality Index (AQI) in Union Hill-Novelty Hill is 27 (Good). PM2.5 concentration is 6.43 µg/m³.

What is the temperature in Union Hill-Novelty Hill right now?

The current temperature in Union Hill-Novelty Hill is 17.5°C (feels like 17.5°C). Humidity is 46.6% and wind speed is 12.9 km/h.

Is it safe to go outside in Union Hill-Novelty Hill?

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

Air Quality in Union Hill-Novelty Hill, United States

Clear

17.5°C · 46.6% humidity

17.5°

Feels 17.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

16 stations

Nearby Monitoring Stations

AQI Forecast

27 10am

27 1pm

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Station readings

Air Quality Index Trend

48h · 16 stn

View full history →

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

46.6%

Humidity

12.9 km/h

Wind WSW

1020.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.43 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Union Hill-Novelty Hill?

Temperature & Precipitation

PM2.5 Trend

48h · 16 stations

PM2.56.43 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (16 stations within 25 km)

6.43

Median

5.99

Average

3.1

Low

12.6

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +0.1

What is the 7-day forecast for Union Hill-Novelty Hill?

10-20

17.5° 9.0°

3.56 mm

10-21

13.8° 6.7°

0.06 mm

10-22

20.1° 5.1°

2.31 mm

10-23

17.3° 6.5°

2.87 mm

10-24

12.2° 4.8°

3.81 mm

10-25

14.6° 5.1°

10-26

12.5° 8.1°

3.81 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Union Hill-Novelty Hill?

SE 12th St, Bellevue, Washington, USA

12.5 km PM2.5: 7.9 µg/m³

SE 12th St, Bellevue, Washington, USA

12.5 km PM2.5: 6.0 µg/m³

Issaquah-Lake Sammamish

14.3 km PM2.5: 8.9 µg/m³

Town Center, Lake Forest Park, Washington, USA

20.6 km PM2.5: 7.0 µg/m³

Town Center, Lake Forest Park, Washington, USA

20.6 km PM2.5: 4.6 µg/m³

Seattle-NE 127th St

20.7 km PM2.5: 3.0 µg/m³

Olive St, Seattle, Washington, USA

21.8 km PM2.5: 4.3 µg/m³

AireCiudadano USA Seat 01 27a3fd

22.9 km 0.0°C 0.0% RH PM2.5: 4.0 µg/m³

Seattle-College Way N

23.1 km PM2.5: 3.3 µg/m³

Wallingford Playfield

23.3 km 24.7°C 39.0% RH PM2.5: 5.7 µg/m³ PM10: 6.0 µg/m³

What cities are near Union Hill-Novelty Hill?

28 Sammamish 27 Redmond 25 Cottage Lake 31 City of Sammamish 31 West Lake Sammamish 25 Kirkland 24 Inglewood-Finn Hill 25 Bothell 36 Issaquah 25 Kenmore

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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 2026-10-20T20:02 UTC.