Air Quality in Hayward, United States

Clear
26.5°C · 31.9% humidity
26.5°
Feels 26.5°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 1pm
54
54
68 4pm
64
61
59 7pm
58
57
56 10pm
55
55
55 1am
54
54
54 4am
54
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 104 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. Current PM2.5 concentration in Hayward is 1.4× the WHO 24-hour guideline of 15 µg/m³.

31.9%
Humidity
28.1 km/h
Wind SW
1010.6 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
68
20.3 µg/m³
PM10
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Hayward?

Temperature & Precipitation

PM2.5 Trend

46h · 104 stations
PM2.520.3 µg/m³ ×1.4 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Hayward?

08-03
29.2° 12.9°
08-04
24.2° 12.9°
08-05
32.3° 11.6°
08-06
30.4° 11.9°
08-07
26.7° 14.0°
08-08
28.9° 13.8°
08-09
33.0° 11.9°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Hayward?

48
Grass Valley ES
10.1 km PM2.5: 11.4 µg/m³
37
Madison Park Academy HS
10.7 km PM2.5: 8.8 µg/m³
42
Lifers 105th
11.0 km PM2.5: 10.1 µg/m³
40
Esperanza ES
11.2 km PM2.5: 9.6 µg/m³
26
Oakland - East, Alameda, California
11.4 km PM2.5: 6.2 µg/m³
28
Elmhurst United MS
11.4 km PM2.5: 6.7 µg/m³
47
Lifers 98th
11.7 km PM2.5: 11.3 µg/m³
45
Oakland Academy of Knowledge (OAK) ES
12.1 km PM2.5: 10.9 µg/m³
40
Brookfield ES
12.1 km PM2.5: 9.5 µg/m³
37
Castlemont High School
12.4 km PM2.5: 8.9 µg/m³

What cities are near Hayward?

68 Castro Valley 69 San Lorenzo 96 San Leandro 68 San Ramon 54 Pleasanton 96 Moraga 4 Alameda 64 Foster City 4 Oakland 68 East Palo Alto
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:57 UTC.