Air Quality in Hollister, United States

Clear
30.4°C · 45.1% humidity
30.4°
Feels 32.9°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
30 8am
37
22
18 11am
21
22
24 2pm
25
25
26 5pm
26
33
34 8pm
27
34
34 11pm
34
34
34 2am
54
54
AD 728×90

Air Quality Index Trend

45h · 26 stn

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

45.1%
Humidity
28.5 km/h
Wind NW
1015.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.17 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hollister?

Temperature & Precipitation

PM2.5 Trend

45h · 26 stations
PM2.57.17 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (4 stations within 25 km)
7.17
Median
6.77
Average
5.22
Low
8.2
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +2.6

What is the 7-day forecast for Hollister?

09-05
30.4° 12.1°
09-06
32.6° 13.2°
09-07
28.3° 10.4°
09-08
34.5° 12.4°
09-09
26.5° 14.7°
09-10
24.3° 11.6°
09-11
23.6° 13.9°
Both models agree Avg diff: 4.6°C

Where are air quality stations near Hollister?

30
Hollister-Rancho San Justo Middle School
1.2 km PM2.5: 7.1 µg/m³
34
Hollister-Fairview Road, San Benito, California
3.7 km PM2.5: 8.2 µg/m³
28
San Juan Bautista
11.8 km PM2.5: 6.6 µg/m³
22
Aromas School
22.1 km PM2.5: 5.2 µg/m³
21
Prunedale
25.2 km PM2.5: 5.1 µg/m³
15
Salinas #3, Monterey, California
26.4 km PM2.5: 3.6 µg/m³
25
Salinas - Sherwood Elementary School
28.9 km PM2.5: 5.9 µg/m³

What cities are near Hollister?

23 Gilroy 21 Prunedale 23 Salinas 18 Watsonville 20 Morgan Hill 34 Marina 27 Soledad 23 Seaside 23 Monterey 24 Pacific Grove
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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 2026-09-05T15:53 UTC.