Air Quality in Tucson, United States

Windy
37.9°C · 11.0% humidity
37.9°
Feels 37.9°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
27 11am
27
25
37 2pm
34
31
29 5pm
28
29
29 8pm
28
35
35 11pm
34
34
34 2am
34
34
34 5am
34
34
34 8am
27
27
AD 728×90

Air Quality Index Trend

46h · 5 stn

Tucson'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 Tucson is 1.8× the WHO annual guideline of 5 µg/m³.

11.0%
Humidity
103.3 km/h
Wind ENE
1006.0 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.78 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Tucson?

Temperature & Precipitation

PM2.5 Trend

46h · 5 stations
PM2.58.78 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
8.78
Median
7.88
Average
2.6
Low
10.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.5

What is the 7-day forecast for Tucson?

05-28
34.5° 24.2°
05-29
37.9° 25.2°
05-30
32.8° 24.7°
05-31
36.3° 27.2°
06-01
38.5° 26.5°
06-02
35.5° 27.6°
0.63 mm
06-03
38.6° 25.5°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Tucson?

15
Geronimo, Pima County, USA
5.0 km PM2.5: 3.6 µg/m³
43
Children's Park Site, Arizona, USA
9.7 km PM2.5: 10.3 µg/m³
18
Children's Park Site, Arizona, USA
9.7 km PM2.5: 4.3 µg/m³
22
Children's Park Site, Arizona, USA
9.7 km PM2.5: 5.3 µg/m³
30
Orange Grove, Pima County, USA
15.3 km PM2.5: 7.2 µg/m³

What cities are near Tucson?

32 Catalina Foothills 28 Flowing Wells 26 Casas Adobes 41 Drexel Heights 38 Tanque Verde 29 Oro Valley 47 Sahuarita 38 Marana 48 Green Valley 22 Rio Rico
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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 2026-05-28T21:46 UTC.