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Yosemite National Park Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Yosemite Lakes

Last Updated: 11 Aug 2025, 06:09am (Local Time)

location image
Live AQI
33(AQI-US)
Air Quality is
Good
pm10 :  15 µg/m³
PM2.5 :  6 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Yosemite National Park
clear

22 °C

Clear
Humidity
Humidity22 %
Wind Speed
Wind Speed12 km/h
UV Index
UV Index0
Last Updated: 11 Aug 2025, 06:09am (Local Time)
Map

Yosemite National Park

Major Air Pollutants

Yosemite National Park

PM2.5's Icon

Particulate Matter(PM2.5)

6µg/m³

PM10's Icon

Particulate Matter(PM10)

15µg/m³

CO's Icon

Carbon Monoxide(CO)

5ppb

SO2's Icon

Sulfur Dioxide(SO2)

0ppb

NO2's Icon

Nitrogen Dioxide(NO2)

7ppb

O3's Icon

Ozone(O3)

41ppb

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AQI Graph

Historical Air Quality Data

Yosemite National Park

24 Hours
AQI
Yosemite National Park
AQI
.
10-08-2025Time11-08-2025
32
Min.at 4:09 AM on 11th Aug
58
Max.at 12:09 PM on 10th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Yosemite National Park, Yosemite Lakes, California, United States

AQI
Year
.
AQI

Annual AQI Trends

2020
161AQI
2021
41AQI
-75%
Fall
2022
31AQI
-24%
Fall
2023
27AQI
-13%
Fall
2024
39AQI
44%
Rise
2025
48AQI
23%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
-9%
Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedSeptember, 2020168AQI
Least PollutedAugust, 202322AQI

* This data analysis is from year 2020 - 2025

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

49

temp.25°C
hum.77%
Los Angeles City AQI

Los Angeles

43

temp.18°C
hum.84%
Minneapolis City AQI

Minneapolis

62

temp.19°C
hum.81%
Nashville City AQI

Nashville

52

temp.23°C
hum.79%
New Orleans City AQI

New Orleans

26

temp.28°C
hum.85%
New York City City AQI

New York City

54

temp.22°C
hum.61%
San Francisco City AQI

San Francisco

24

temp.16°C
hum.90%
Washington City AQI

Washington

31

temp.22°C
hum.90%

Air Quality Calendar 2025

Yosemite National Park

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
38
2 Jan
35
3 Jan
54
4 Jan
55
5 Jan
47
6 Jan
55
7 Jan
57
8 Jan
51
9 Jan
52
10 Jan
49
11 Jan
42
12 Jan
47
13 Jan
48
14 Jan
56
15 Jan
55
16 Jan
53
17 Jan
54
18 Jan
63
19 Jan
64
20 Jan
60
21 Jan
60
22 Jan
57
23 Jan
55
24 Jan
58
25 Jan
52
26 Jan
53
27 Jan
61
28 Jan
63
29 Jan
59
30 Jan
69
31 Jan
69
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
63
2 Feb
53
3 Feb
45
4 Feb
48
5 Feb
40
6 Feb
41
7 Feb
43
8 Feb
45
9 Feb
48
10 Feb
55
11 Feb
62
12 Feb
60
13 Feb
49
14 Feb
39
15 Feb
31
16 Feb
32
17 Feb
31
18 Feb
26
19 Feb
31
20 Feb
34
21 Feb
36
22 Feb
31
23 Feb
35
24 Feb
30
25 Feb
22
26 Feb
26
27 Feb
39
28 Feb
36
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
43
2 Mar
42
3 Mar
39
4 Mar
35
5 Mar
31
6 Mar
37
7 Mar
33
8 Mar
28
9 Mar
33
10 Mar
26
11 Mar
34
12 Mar
28
13 Mar
36
14 Mar
48
15 Mar
41
16 Mar
50
17 Mar
38
18 Mar
45
19 Mar
47
20 Mar
57
21 Mar
46
22 Mar
36
23 Mar
42
24 Mar
50
25 Mar
50
26 Mar
57
27 Mar
53
28 Mar
60
29 Mar
60
30 Mar
59
31 Mar
64
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
58
2 Apr
57
3 Apr
52
4 Apr
43
5 Apr
48
6 Apr
49
7 Apr
47
8 Apr
48
9 Apr
57
10 Apr
58
11 Apr
49
12 Apr
48
13 Apr
55
14 Apr
55
15 Apr
56
16 Apr
60
17 Apr
58
18 Apr
66
19 Apr
58
20 Apr
58
21 Apr
55
22 Apr
56
23 Apr
59
24 Apr
59
25 Apr
54
26 Apr
52
27 Apr
51
28 Apr
46
29 Apr
59
30 Apr
47
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
52
2 May
46
3 May
47
4 May
45
5 May
45
6 May
38
7 May
44
8 May
51
9 May
51
10 May
46
11 May
46
12 May
49
13 May
51
14 May
45
15 May
43
16 May
47
17 May
50
18 May
54
19 May
49
20 May
44
21 May
46
22 May
49
23 May
50
24 May
53
25 May
47
26 May
47
27 May
49
28 May
50
29 May
51
30 May
55
31 May
60
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
56
2 Jun
60
3 Jun
49
4 Jun
52
5 Jun
56
6 Jun
55
7 Jun
56
8 Jun
55
9 Jun
53
10 Jun
51
11 Jun
58
12 Jun
56
13 Jun
49
14 Jun
48
15 Jun
51
16 Jun
50
17 Jun
42
18 Jun
52
19 Jun
57
20 Jun
58
21 Jun
61
22 Jun
57
23 Jun
55
24 Jun
51
25 Jun
52
26 Jun
60
27 Jun
62
28 Jun
63
29 Jun
59
30 Jun
60
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
57
2 Jul
58
3 Jul
58
4 Jul
54
5 Jul
56
6 Jul
50
7 Jul
50
8 Jul
44
9 Jul
43
10 Jul
51
11 Jul
61
12 Jul
67
13 Jul
65
14 Jul
62
15 Jul
54
16 Jul
50
17 Jul
43
18 Jul
43
19 Jul
39
20 Jul
38
21 Jul
33
22 Jul
27
23 Jul
23
24 Jul
24
25 Jul
27
26 Jul
30
27 Jul
27
28 Jul
27
29 Jul
32
30 Jul
36
31 Jul
30
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
32
2 Aug
29
3 Aug
33
4 Aug
29
5 Aug
33
6 Aug
38
7 Aug
33
8 Aug
34
9 Aug
45
10 Aug
-
11 Aug
-
12 Aug
-
13 Aug
-
14 Aug
-
15 Aug
-
16 Aug
-
17 Aug
-
18 Aug
-
19 Aug
-
20 Aug
-
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Yosemite National Park

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Yosemite National Park

  • asthma due to air pollution in Yosemite National ParkAsthma
  • heart due to air pollution in Yosemite National ParkHeart Issues
  • allergy due to air pollution in Yosemite National ParkAllergies
  • sinus due to air pollution in Yosemite National ParkSinus
  • flu due to air pollution in Yosemite National ParkCold/Flu
  • copd due to air pollution in Yosemite National ParkChronic (COPD)
asthma due to air pollution in Yosemite National Park

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

United States

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Beulah, United States

164
Unhealthy
11xabove Standard

2.

Central Mckenzie, United States

164
Unhealthy
11xabove Standard

3.

Watford City, United States

164
Unhealthy
11xabove Standard

4.

Mandan, United States

160
Unhealthy
11xabove Standard

5.

Ryder, United States

158
Unhealthy
11xabove Standard

6.

Bismarck, United States

158
Unhealthy
11xabove Standard

7.

Minot, United States

158
Unhealthy
11xabove Standard

8.

Dunn Center, United States

157
Unhealthy
10xabove Standard

9.

Dickinson, United States

157
Unhealthy
10xabove Standard

10.

Stanton, United States

156
Unhealthy
10xabove Standard

Last Updated: 11 Aug 2025, 11:20 AM

AQI City Rankings

Air Quality Solutions For Yosemite National Park

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Yosemite National Park

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Yosemite National Park

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Yosemite National Park

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Yosemite National Park

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Yosemite National Park

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Yosemite National Park

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Yosemite National Park

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Yosemite National Park

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Yosemite National Park

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Yosemite National Park

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Yosemite National Park

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Yosemite National Park

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Yosemite National Park

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Yosemite National Park

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Yosemite National Park

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Yosemite National Park

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Yosemite National Park's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Yosemite National Park
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Yosemite National Park

Frequently Asked Questions About Air Quality

What is the current AQI level in Yosemite National Park?

The current real-time AQI level in Yosemite National Park is 33 (Good). This was last updated 11 Aug 2025, 06:09am (Local Time).

When was the best AQI level in Yosemite National Park in the last 24 hours?

The best AQI level was 32 (Good) at 4:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Yosemite National Park in the last 24 hours?

The worst AQI level was 58 (Moderate) at 12:09 PM, Aug 10, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Yosemite National Park during last 24 hours?

The AQI levels in Yosemite National Park have been fluctuating throughout the last 24 hours. The levels have increased by highest 58 at 12:09 PM, Aug 10, 2025 (Local Time), lowest 32 at 4:09 AM (Local Time).

What actions are recommended as per the current AQI level in Yosemite National Park?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

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Read the latest news

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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