Air Quality in Arcadia, United States

Windy
27.3°C · 48.0% humidity
27.3°
Feels 29.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
40 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
37 6am
33
17
38 9am
21
17
15 12pm
13
11
10 3pm
10
9
9 6pm
9
8
8 9pm
8
20
20 12am
20
20
20 3am
20
20
Station readings
37
33
17
CAMS model adj -46
83
66
66
66
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
66
66
AD 728×90

Air Quality Index Trend

47h · 2 stn

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

48.0%
Humidity
43.5 km/h
Wind SSW
1017.0 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.17 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Arcadia?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.59.17 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (40 stations within 25 km)
9.17
Median
9.67
Average
0.35
Low
13.98
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +7.2
Both models agree Avg diff: 5.3°C

Where are air quality stations near Arcadia?

21
united-states-of-america-san-marino-sierra-madre-boulevard
6.1 km 31.2°C 35.0% RH PM2.5: 5.0 µg/m³ PM10: 6.0 µg/m³
3
RBAC Rose Bowl Aquatics Center
11.9 km 59.0% RH PM2.5: 0.7 µg/m³ PM10: 0.8 µg/m³
42
Sierra Vista ES (6767)
12.4 km PM2.5: 10.1 µg/m³
30
San Pascual ES (6493)
12.8 km PM2.5: 7.1 µg/m³
43
Sierra Park ES (6753)
13.9 km PM2.5: 10.4 µg/m³
35
Annandale ES (2151)
14.0 km PM2.5: 8.3 µg/m³
44
El Sereno ES (3562)
14.2 km PM2.5: 10.6 µg/m³
41
Buchanan ES (2603)
15.9 km PM2.5: 9.9 µg/m³
34
Arroyo Seco Museum Science Magnet SPAN (4322)
16.1 km PM2.5: 8.2 µg/m³
39
Eagle Rock ES (3507)
16.3 km PM2.5: 9.3 µg/m³

What cities are near Arcadia?

38 Monrovia 40 Temple City 37 Duarte 41 Rosemead 41 El Monte 40 San Gabriel 38 Baldwin Park 41 Alhambra 42 South El Monte 35 Altadena
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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 2026-09-05T16:29 UTC.