Air Quality in Downey, United States

Clear
29.4°C · 32.8% humidity
29.4°
Feels 29.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
96 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 7am
14
17
38 10am
32
28
25 1pm
23
21
20 4pm
19
18
18 7pm
18
18
17 10pm
17
17
17 1am
17
17
17 4am
17
17
Station readings
12
14
17
CAMS model adj -37
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

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

32.8%
Humidity
36.8 km/h
Wind SSW
1008.4 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
8.98 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Downey?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.58.98 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (96 stations within 25 km)
8.98
Median
8.89
Average
0.34
Low
13.2
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +4.5

What is the 7-day forecast for Downey?

07-21
29.4° 24.9°
07-22
29.6° 24.6°
07-23
28.5° 23.8°
07-24
34.0° 24.1°
07-25
29.8° 24.8°
07-26
33.6° 22.6°
07-27
33.0° 25.3°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Downey?

38
Elizabeth Learning Ctr (3548)
5.4 km PM2.5: 9.2 µg/m³
37
Bryson ES (2589)
5.6 km PM2.5: 8.8 µg/m³
38
Maywood ES
7.6 km PM2.5: 9.0 µg/m³
40
State ES (6918)
7.8 km PM2.5: 9.5 µg/m³
32
Montara Ave ES (6878)
7.9 km PM2.5: 7.8 µg/m³
33
San Antonio ES (4641)
8.7 km PM2.5: 8.0 µg/m³
40
Weigand ES (7634)
9.0 km PM2.5: 9.6 µg/m³
39
Jordan HS (8721)
9.0 km PM2.5: 9.3 µg/m³
31
Imperial Hwy.
9.2 km PM2.5: 7.5 µg/m³
37
Middleton ES (5301)
9.9 km PM2.5: 8.9 µg/m³

What cities are near Downey?

38 Bell Gardens 37 Santa Fe Springs 38 Cudahy 38 Pico Rivera 38 Paramount 38 Bell 38 Bellflower 37 West Whittier-Los Nietos 36 Lynwood 38 East Rancho Dominguez
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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 2026-07-21T17:11 UTC.