Air Quality in Monrovia, United States

Drizzle
14.1°C · 62.8% humidity
14.1°
Feels 14.1°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
30 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
50 9pm
45
30
47 12am
47
47
47 3am
47
47
47 6am
47
47
47 9am
47
47
47 12pm
47
47
47 3pm
22
22
22 6pm
22
9
Station readings
50
45
30
CAMS model adj -28
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
50
50
50
50
37
AD 728×90

PM2.5 Trend (24h)

32h · 2 stations
62.8%
Humidity
45.7 km/h
Wind SSW
1010.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Monrovia?

Temperature & Precipitation

PM2.512.08 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (30 stations within 25 km)
12.08
Median
11.73
Average
0.98
Low
14.11
High
PM2.5 µg/m³ · Model: 36.65 · Bias: +24.6

What is the 7-day forecast for Monrovia?

04-10
14.1° 8.6°
12.31 mm
04-11
10.5° 6.8°
19.81 mm
04-12
7.9° 3.7°
0.88 mm
04-13
11.9° 3.3°
0.19 mm
04-14
17.9° 7.2°
04-15
19.8° 12.0°
04-16
21.5° 12.8°
Both models agree Avg diff: 4.6°C

Where are air quality stations near Monrovia?

55
united-states-of-america-san-marino-sierra-madre-boulevard
9.5 km 29.7°C 41.0% RH PM2.5: 14.0 µg/m³ PM10: 15.0 µg/m³
50
Glendora-Laurel, Los Angeles
13.7 km
58
Glendora-Laurel, Los Angeles
13.7 km
3
RBAC Rose Bowl Aquatics Center
15.2 km PM2.5: 0.7 µg/m³ PM10: 0.9 µg/m³
34
Loyola Village ES (5014)
15.5 km PM2.5: 8.2 µg/m³
50
Palms ES
15.5 km PM2.5: 12.0 µg/m³
51
Sierra Vista ES (6767)
15.8 km PM2.5: 12.3 µg/m³
48
San Pascual ES (6493)
16.3 km PM2.5: 11.4 µg/m³
48
Sierra Park ES (6753)
17.3 km PM2.5: 11.4 µg/m³
50
Annandale ES (2151)
17.4 km PM2.5: 11.9 µg/m³

What cities are near Monrovia?

50 Duarte 50 Arcadia 49 Temple City 50 Baldwin Park 49 Azusa 50 Vincent 49 El Monte 49 Rosemead 50 West Covina 50 West Puente Valley

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:06 UTC.