Air Quality in Seaside, United States

Windy
13.5°C · 91.9% humidity
13.5°
Feels 13.5°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 4pm
34
34
54 7pm
48
64
61 10pm
59
58
57 1am
56
55
55 4am
55
55
54 7am
34
34
34 10am
34
34
34 1pm
34
34
AD 728×90

Air Quality Index Trend

45h · 35 stn

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

91.9%
Humidity
65.9 km/h
Wind WNW
1012.5 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.7 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Seaside?

Temperature & Precipitation

PM2.5 Trend

45h · 35 stations
PM2.513.7 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Seaside?

08-03
15.0° 13.5°
08-04
15.0° 14.3°
08-05
15.9° 14.3°
08-06
14.7° 14.2°
08-07
16.9° 15.0°
08-08
16.3° 15.1°
08-09
16.8° 14.3°
Both models agree Avg diff: 0.8°C

Where are air quality stations near Seaside?

45
Del Rey Woods Elementary
1.9 km PM2.5: 10.9 µg/m³
48
Seaside - Manzanita Elementary School
2.1 km PM2.5: 11.5 µg/m³
43
MPWMD ASR PS-2
3.2 km PM2.5: 10.4 µg/m³
42
Monterey - Monterey High School
4.7 km PM2.5: 10.2 µg/m³
25
Marshall Elementary
4.9 km PM2.5: 5.9 µg/m³
43
Pacific Grove Middle School
6.1 km PM2.5: 10.3 µg/m³
39
Marina High School
8.5 km PM2.5: 9.4 µg/m³
42
Carmel - Carmel River Elementary School
10.1 km PM2.5: 10.1 µg/m³
35
Monterey Co Regional Fire Station 7
11.0 km PM2.5: 8.5 µg/m³
52
San Benancio Middle School
12.6 km PM2.5: 12.5 µg/m³

What cities are near Seaside?

54 Monterey 63 Pacific Grove 54 Marina 45 Salinas 45 Prunedale 54 Watsonville 54 Live Oak 54 Santa Cruz 34 Hollister 52 Gilroy
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:05 UTC.