Air Quality in Hayward, United States

Clear
30.4°C · 47.1% humidity
30.4°
Feels 33.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 5am
34
54
42 8am
25
21
23 11am
24
32
32 2pm
33
33
33 5pm
34
27
27 8pm
34
34
34 11pm
27
34
34 2am
27
27
AD 728×90

Air Quality Index Trend

45h · 106 stn

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

47.1%
Humidity
36.8 km/h
Wind W
1016.0 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hayward?

Temperature & Precipitation

PM2.5 Trend

45h · 106 stations
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Hayward?

09-05
30.8° 14.0°
09-06
33.4° 14.4°
09-07
35.8° 10.2°
09-08
34.1° 12.1°
09-09
29.0° 15.2°
09-10
30.2° 12.7°
09-11
26.8° 15.6°
0.19 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Hayward?

26
Grass Valley ES
10.1 km PM2.5: 6.2 µg/m³
26
Madison Park Academy HS
10.7 km PM2.5: 6.2 µg/m³
27
Lifers 105th
11.0 km PM2.5: 6.4 µg/m³
26
Esperanza ES
11.2 km PM2.5: 6.3 µg/m³
25
Reach Academy ES
11.3 km PM2.5: 5.9 µg/m³
25
Oakland - East, Alameda, California
11.4 km PM2.5: 6.0 µg/m³
20
Elmhurst United MS
11.4 km PM2.5: 4.8 µg/m³
25
Lifers 98th
11.7 km PM2.5: 6.0 µg/m³
27
Oakland Academy of Knowledge (OAK) ES
12.1 km PM2.5: 6.4 µg/m³
28
Brookfield ES
12.1 km PM2.5: 6.7 µg/m³

What cities are near Hayward?

42 Castro Valley 42 San Lorenzo 42 San Leandro 42 San Ramon 42 Pleasanton 31 Moraga 10 Alameda 31 Foster City 10 Oakland 42 East Palo Alto
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.