Air Quality in Downey, United States
Drizzle
20.3°C · 49.7% humidity
20.3°
Feels 20.3°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
91 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
49
9pm
44
40
16
12am
42
42
42
3am
42
42
42
6am
42
42
42
9am
42
42
42
12pm
42
42
42
3pm
17
17
17
6pm
17
4
Station readings
49
44
40
16
CAMS model
adj -33
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
50
50
50
50
37
PM2.5 Trend (24h)
33h · 3 stations49.7%
Humidity
76.0 km/h
Wind WSW
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Downey?
Temperature & Precipitation
PM2.59.8 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (91 stations within 25 km)
9.8
Median
9.43
Average
0.6
Low
12.72
High
PM2.5 µg/m³ · Model: 36.65 · Bias: +26.9
What is the 7-day forecast for Downey?
04-10
20.3° 16.1°
16.88 mm
04-11
19.7° 15.2°
13.5 mm
04-12
17.7° 12.7°
0.13 mm
04-13
17.4° 13.6°
04-14
21.8° 15.4°
04-15
24.2° 18.9°
04-16
26.3° 18.9°
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Downey?
45
Elizabeth Learning Ctr (3548)
42
Bryson ES (2589)
44
Maywood ES
40
State ES (6918)
34
Montara Ave ES (6878)
38
San Antonio ES (4641)
39
Weigand ES (7634)
38
Jordan HS (8721)
51
Imperial Hwy.
38
Middleton ES (5301)
What cities are near Downey?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:36 UTC.