Air Quality in Hayward, United States

Rain
15.7°C · 67.5% humidity
15.7°
Feels 15.7°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
60 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 7pm
16
17
17 10pm
17
17
17 1am
17
17
17 4am
17
29
42 7am
42
67
67 10am
67
67
29 1pm
42
29
17 4pm
17
17
Station readings
17
16
CAMS model adj -8
25
25
25
25
25
25
25
25
25
25
25
37
50
50
75
75
75
75
37
50
37
25
25
25
AD 728×90

PM2.5 Trend (24h)

25h · 107 stations
67.5%
Humidity
37.6 km/h
Wind WNW
1009.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Hayward?

Temperature & Precipitation

PM2.53.86 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (60 stations within 25 km)
3.86
Median
3.9
Average
2.26
Low
11.85
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +3.5

What is the 7-day forecast for Hayward?

04-09
19.5° 11.9°
0.25 mm
04-10
17.6° 9.6°
3.94 mm
04-11
17.3° 8.9°
0.06 mm
04-12
12.5° 6.1°
2.25 mm
04-13
15.0° 3.9°
0.25 mm
04-14
18.4° 5.5°
04-15
21.2° 8.3°
Both models agree Avg diff: 2.5°C

Where are air quality stations near Hayward?

–
united-states-of-america-castro-valley-briar-ridge-drive
5.2 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
18
Grass Valley ES
10.1 km PM2.5: 4.2 µg/m³
14
Madison Park Academy HS
10.7 km PM2.5: 3.4 µg/m³
16
Lifers 105th
11.0 km PM2.5: 3.8 µg/m³
17
Esperanza ES
11.2 km PM2.5: 4.0 µg/m³
21
Oakland - East, Alameda, California
11.4 km
22
Oakland - East, Alameda, California
11.4 km
16
Oakland - East, Alameda, California
11.4 km
17
Elmhurst United MS
11.4 km PM2.5: 4.0 µg/m³
40
Lifers 98th
11.7 km PM2.5: 9.5 µg/m³

What cities are near Hayward?

16 Castro Valley 15 San Lorenzo 15 San Leandro 16 San Ramon 18 Pleasanton 15 Moraga 15 Alameda 16 Foster City 15 Oakland 25 East Palo Alto

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:11 UTC.