Air Quality in Downey, United States

Drizzle
20.3°C · 49.7% humidity
20.3°
Feels 20.3°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
91 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
49 9pm
44
29
46 12am
46
46
46 3am
46
46
46 6am
46
46
46 9am
46
46
46 12pm
46
46
46 3pm
21
21
21 6pm
21
8
Station readings
49
44
29
CAMS model adj -29
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 · 3 stations
49.7%
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

PM2.510.84 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (91 stations within 25 km)
10.84
Median
10.3
Average
0.98
Low
14.11
High
PM2.5 µg/m³ · Model: 36.65 · Bias: +25.8

What is the 7-day forecast for Downey?

04-09
23.7° 17.6°
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°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Downey?

49
Elizabeth Learning Ctr (3548)
5.4 km PM2.5: 11.7 µg/m³
46
Bryson ES (2589)
5.6 km PM2.5: 11.1 µg/m³
48
Maywood ES
7.6 km PM2.5: 11.5 µg/m³
43
State ES (6918)
7.8 km PM2.5: 10.4 µg/m³
37
Montara Ave ES (6878)
7.9 km PM2.5: 8.9 µg/m³
42
San Antonio ES (4641)
8.7 km PM2.5: 10.0 µg/m³
43
Weigand ES (7634)
9.0 km PM2.5: 10.3 µg/m³
43
Jordan HS (8721)
9.0 km PM2.5: 10.4 µg/m³
52
Imperial Hwy.
9.2 km PM2.5: 12.4 µg/m³
40
Middleton ES (5301)
9.9 km PM2.5: 9.7 µg/m³

What cities are near Downey?

45 Bell Gardens 45 Santa Fe Springs 45 Cudahy 46 Pico Rivera 42 Paramount 46 Bell 41 Bellflower 46 West Whittier-Los Nietos 45 Lynwood 44 East Rancho Dominguez

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:01 UTC.