Air Quality in Union Hill-Novelty Hill, United States

Rain
26.4°C · 37.6% humidity
26.4°
Feels 26.4°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 12pm
13
13
18 3pm
4
3
15 6pm
14
14
14 9pm
25
25
25 12am
25
13
13 3am
13
0
0 6am
0
0
0 9am
0
0
Station readings
8
8
8
8
CAMS model adj -41
54
54
54
54
34
34
54
54
54
54
66
66
66
66
54
54
54
34
27
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.

37.6%
Humidity
45.2 km/h
Wind SW
1019.0 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.21 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.54.21 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (14 stations within 25 km)
4.21
Median
4.86
Average
1.5
Low
24.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +5.8

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

05-28
22.6° 11.4°
5.81 mm
05-29
26.4° 9.6°
18.12 mm
05-30
21.4° 8.1°
0.94 mm
05-31
22.9° 9.1°
06-01
19.4° 4.1°
06-02
27.9° 8.4°
06-03
20.1° 6.4°
1.94 mm
Both models agree Avg diff: 3.6°C

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

13
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 3.1 µg/m³
60
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 16.4 µg/m³
30
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 7.2 µg/m³
55
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 14.0 µg/m³
8
Issaquah-Lake Sammamish
14.3 km PM2.5: 2.0 µg/m³
17
Town Center, Lake Forest Park, Washington, USA
20.6 km PM2.5: 4.1 µg/m³
6
Seattle-NE 127th St
20.7 km PM2.5: 1.4 µg/m³
36
Olive St, Seattle, Washington, USA
21.8 km PM2.5: 8.6 µg/m³
8
AireCiudadano USA Seat 01 27a3fd
22.9 km 0.0°C 0.0% RH PM2.5: 2.0 µg/m³
6
Seattle-College Way N
23.1 km PM2.5: 1.5 µg/m³

What cities are near Union Hill-Novelty Hill?

17 Sammamish 18 Redmond 17 Cottage Lake 16 City of Sammamish 14 West Lake Sammamish 17 Kirkland 15 Inglewood-Finn Hill 15 Bothell 13 Issaquah 15 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 2026-05-28T22:56 UTC.