Air Quality in Monrovia, United States

Windy
30.7°C · 23.8% humidity
30.7°
Feels 30.7°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
29 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 11am
21
22
32 2pm
28
26
24 5pm
22
21
21 8pm
20
20
20 11pm
19
19
19 2am
19
19
19 5am
19
19
19 8am
19
19
Station readings
16
21
22
CAMS model adj -35
54
54
54
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

47h · 2 stn

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

23.8%
Humidity
42.8 km/h
Wind S
1007.1 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
32
7.81 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Monrovia?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.57.81 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX24.9
Extreme
AD 300×250
Station readings (29 stations within 25 km)
7.81
Median
8.3
Average
0.5
Low
12.6
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +12.5

What is the 7-day forecast for Monrovia?

07-21
30.5° 22.4°
07-22
31.4° 22.7°
07-23
32.2° 17.9°
0.94 mm
07-24
32.6° 21.7°
07-25
31.3° 20.1°
07-26
34.9° 18.6°
07-27
34.8° 20.4°
Both models agree Avg diff: 4.5°C

Where are air quality stations near Monrovia?

29
united-states-of-america-san-marino-sierra-madre-boulevard
9.5 km 41.3°C 23.0% RH PM2.5: 7.0 µg/m³ PM10: 7.0 µg/m³
154
Glendora-Laurel, Los Angeles
13.7 km PM2.5: 61.3 µg/m³
17
Glendora-Laurel, Los Angeles
13.7 km PM2.5: 4.1 µg/m³
52
Glendora-Laurel, Los Angeles
13.7 km PM2.5: 12.6 µg/m³
40
Glendora-Laurel, Los Angeles
13.7 km PM2.5: 9.6 µg/m³
260
Glendora-Laurel, Los Angeles
13.7 km PM2.5: 210.0 µg/m³
2
RBAC Rose Bowl Aquatics Center
15.2 km PM2.5: 0.6 µg/m³ PM10: 0.7 µg/m³
39
Loyola Village ES (5014)
15.5 km PM2.5: 9.4 µg/m³
36
Sierra Vista ES (6767)
15.8 km PM2.5: 8.6 µg/m³
32
San Pascual ES (6493)
16.3 km PM2.5: 7.6 µg/m³

What cities are near Monrovia?

32 Duarte 32 Arcadia 34 Temple City 34 Baldwin Park 26 Azusa 30 Vincent 35 El Monte 35 Rosemead 33 West Covina 35 West Puente Valley
Get AQI alerts for Monrovia

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 2026-07-21T21:34 UTC.