Air Quality in Union Hill-Novelty Hill, United States

Partly Cloudy
17.7°C · 58.5% humidity
17.7°
Feels 17.7°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 9am
8
8
9 12pm
8
8
8 3pm
8
7
8 6pm
8
8
8 9pm
8
8
8 12am
8
8
8 3am
8
8
8 6am
8
8
Station readings
8
8
12
12
CAMS model adj -17
27
25
25
25
25
25
25
25
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 1 stn

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.

58.5%
Humidity
18.8 km/h
Wind SSW
1014.9 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
9
2.23 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.52.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (14 stations within 25 km)
2.23
Median
2.51
Average
1.0
Low
5.8
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.7
Both models agree Avg diff: 4.7°C

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

42
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 10.1 µg/m³
30
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 7.2 µg/m³
2
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 0.5 µg/m³
6
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 1.4 µg/m³
4
Issaquah-Lake Sammamish
14.3 km PM2.5: 0.9 µg/m³
15
Town Center, Lake Forest Park, Washington, USA
20.6 km PM2.5: 3.6 µg/m³
6
Seattle-NE 127th St
20.7 km PM2.5: 1.5 µg/m³
17
Olive St, Seattle, Washington, USA
21.8 km PM2.5: 4.1 µg/m³
12
AireCiudadano USA Seat 01 27a3fd
22.9 km 0.0°C 0.0% RH PM2.5: 3.0 µg/m³
7
Seattle-College Way N
23.1 km PM2.5: 1.7 µg/m³

What cities are near Union Hill-Novelty Hill?

10 Sammamish 10 Redmond 10 Cottage Lake 9 City of Sammamish 8 West Lake Sammamish 11 Kirkland 11 Inglewood-Finn Hill 12 Bothell 7 Issaquah 12 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 2026-06-08T19:34 UTC.