Air Quality in Union Hill-Novelty Hill, United States

Clear
20.7°C · 46.9% humidity
20.7°
Feels 20.7°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
54 10am
55
55
50 1pm
50
50
50 4pm
50
50
50 7pm
50
50
50 10pm
50
50
50 1am
50
50
50 4am
50
50
50 7am
50
50
Station readings
54
55
55
54
43
CAMS model adj -4
54
54
66
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 2 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.

46.9%
Humidity
15.1 km/h
Wind NW
1015.6 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
11.93 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.511.93 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (12 stations within 25 km)
11.93
Median
11.88
Average
8.0
Low
18.3
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +4.4

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

07-21
30.4° 10.1°
07-22
24.9° 9.9°
07-23
30.9° 12.9°
07-24
29.3° 10.8°
07-25
24.6° 11.0°
07-26
30.1° 9.3°
07-27
27.1° 11.4°
Both models agree Avg diff: 4.3°C

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

35
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 8.4 µg/m³
47
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 11.3 µg/m³
14
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 3.4 µg/m³
31
SE 12th St, Bellevue, Washington, USA
12.5 km PM2.5: 7.4 µg/m³
44
Issaquah-Lake Sammamish
14.3 km PM2.5: 10.5 µg/m³
111
Town Center, Lake Forest Park, Washington, USA
20.6 km PM2.5: 39.6 µg/m³
42
Seattle-NE 127th St
20.7 km PM2.5: 10.1 µg/m³
25
Olive St, Seattle, Washington, USA
21.8 km PM2.5: 6.0 µg/m³
42
AireCiudadano USA Seat 01 27a3fd
22.9 km 0.0°C 0.0% RH PM2.5: 10.0 µg/m³
36
Seattle-College Way N
23.1 km PM2.5: 8.6 µg/m³

What cities are near Union Hill-Novelty Hill?

50 Sammamish 51 Redmond 50 Cottage Lake 49 City of Sammamish 49 West Lake Sammamish 50 Kirkland 52 Inglewood-Finn Hill 53 Bothell 48 Issaquah 57 Kenmore
Get AQI alerts for Union Hill-Novelty Hill

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:59 UTC.