Air Quality in Willoughby, United States

Windy
20.9°C · 52.1% humidity
20.9°
Feels 20.9°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 8pm
34
34
45 11pm
40
36
34 2am
30
30
27 5am
27
26
26 8am
26
25
24 11am
24
24
25 2pm
25
27
27 5pm
25
25
AD 728×90

Air Quality Index Trend

46h · 2 stn

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

52.1%
Humidity
43.2 km/h
Wind WNW
1016.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.85 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Willoughby?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.510.85 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Willoughby?

08-03
25.8° 20.9°
0.69 mm
08-04
26.1° 23.9°
2.75 mm
08-05
24.6° 18.9°
1.0 mm
08-06
25.2° 19.9°
4.44 mm
08-07
24.2° 20.4°
0.56 mm
08-08
27.7° 19.7°
4.06 mm
08-09
27.8° 23.3°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Willoughby?

51
Nature Center at Shaker Lakes
22.2 km PM2.5: 12.2 µg/m³
41
Chagrin-Warrensville
22.2 km PM2.5: 9.9 µg/m³
41
Cleveland Near Road, Ohio, USA
23.3 km PM2.5: 9.8 µg/m³
38
Cleveland Near Road, Ohio, USA
23.3 km PM2.5: 9.1 µg/m³

What cities are near Willoughby?

45 Eastlake 40 Mentor 45 Euclid 45 Mayfield Heights 45 South Euclid 45 Collinwood 41 Painesville 45 Cleveland Heights 45 East Cleveland 45 Glenville
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:49 UTC.