Air Quality in Hayward, United States

Clear
32.4°C · 18.3% humidity
32.4°
Feels 32.4°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
61 stations

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
30 10am
27
34
34 1pm
34
34
34 4pm
34
34
34 7pm
34
34
54 10pm
54
54
54 1am
54
34
34 4am
34
34
AD 728×90

Air Quality Index Trend

47h · 1 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.

18.3%
Humidity
26.5 km/h
Wind WSW
1008.3 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.13 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hayward?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.57.13 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (61 stations within 25 km)
7.13
Median
7.21
Average
2.62
Low
10.09
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.6
Both models agree Avg diff: 5.5°C

Where are air quality stations near Hayward?

28
Grass Valley ES
10.1 km PM2.5: 6.8 µg/m³
29
Madison Park Academy HS
10.7 km PM2.5: 6.9 µg/m³
33
Lifers 105th
11.0 km PM2.5: 8.0 µg/m³
32
Esperanza ES
11.2 km PM2.5: 7.6 µg/m³
109
Oakland - East, Alameda, California
11.4 km PM2.5: 38.7 µg/m³
49
Oakland - East, Alameda, California
11.4 km PM2.5: 11.8 µg/m³
23
Elmhurst United MS
11.4 km PM2.5: 5.5 µg/m³
31
Lifers 98th
11.7 km PM2.5: 7.5 µg/m³
31
Oakland Academy of Knowledge (OAK) ES
12.1 km PM2.5: 7.5 µg/m³
35
Brookfield ES
12.1 km PM2.5: 8.3 µg/m³

What cities are near Hayward?

30 Castro Valley 30 San Lorenzo 29 San Leandro 29 San Ramon 19 Pleasanton 28 Moraga 33 Alameda 28 Foster City 35 Oakland 18 East Palo Alto
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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 2026-07-21T17:13 UTC.