Air Quality in Hayward, United States

Windy
18.3°C · 43.2% humidity
18.3°
Feels 18.3°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
62 stations

Nearby Monitoring Stations

AQI Forecast
27 1pm
27
27
20 4pm
22
30
31 7pm
32
33
33 10pm
33
34
34 1am
34
27
27 4am
27
27
27 7am
25
25
24 10am
24
24
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.

43.2%
Humidity
50.0 km/h
Wind SW
1016.2 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.84 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hayward?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.54.84 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (62 stations within 25 km)
4.84
Median
4.8
Average
3.08
Low
5.57
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.4

What is the 7-day forecast for Hayward?

06-08
17.4° 11.1°
06-09
19.5° 8.9°
06-10
29.5° 11.8°
06-11
30.7° 15.8°
06-12
28.9° 11.9°
06-13
23.2° 9.2°
06-14
27.3° 12.0°
Both models agree Avg diff: 4.9°C

Where are air quality stations near Hayward?

22
Grass Valley ES
10.1 km PM2.5: 5.3 µg/m³
18
Madison Park Academy HS
10.7 km PM2.5: 4.4 µg/m³
23
Lifers 105th
11.0 km PM2.5: 5.4 µg/m³
22
Esperanza ES
11.2 km PM2.5: 5.3 µg/m³
39
Oakland - East, Alameda, California
11.4 km PM2.5: 9.4 µg/m³
31
Oakland - East, Alameda, California
11.4 km PM2.5: 7.4 µg/m³
24
Elmhurst United MS
11.4 km PM2.5: 5.7 µg/m³
25
Lifers 98th
11.7 km PM2.5: 5.9 µg/m³
21
Oakland Academy of Knowledge (OAK) ES
12.1 km PM2.5: 5.1 µg/m³
23
Brookfield ES
12.1 km PM2.5: 5.5 µg/m³

What cities are near Hayward?

20 Castro Valley 20 San Lorenzo 20 San Leandro 20 San Ramon 20 Pleasanton 20 Moraga 21 Alameda 20 Foster City 20 Oakland 15 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 2026-06-08T23:12 UTC.