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Louisville Particulate Matter (PM₁₀) Level

Kentucky, United States

Particulate Matter (PM₁₀)

52µg/m³

Moderate

Last Updated: 2026-08-16 04:21:01 (Local Time)

Map

Louisville

Good

050

Moderate

100

Poor

250

Unhealthy

350

Severe

430

Hazardous

510+

What is the Current PM₁₀ Level?
Louisville

The current PM₁₀ level in Louisville based on the average air quality level across the city is 52 µg/m³ making it acceptable, but sensitive individuals should be cautious.

1.1xAbove

The current PM₁₀ level in Louisville is 1.1x Above the recommended WHO guideline of 45 µg/m³.

AQI Graph

Historic Air Quality Graph of Particulate Matter (PM₁₀)
Louisville

24 Hours

PM₁₀

Louisville

PM₁₀ (µg/m³)

15-08-2026Time16-08-2026

Time	Louisville
4:31am	13
5:01am	13
5:31am	14
6:01am	13
6:31am	14
7:01am	14
7:31am	14
8:01am	15
8:31am	14
9:01am	16
9:31am	16
10:01am	16
10:31am	16
11:01am	23
11:31am	22
12:01pm	28
12:31pm	28
1:01pm	30
1:31pm	31
2:01pm	33
2:31pm	33
3:01pm	36
3:31pm	34
4:01pm	39
4:31pm	36
5:01pm	41
5:31pm	41
6:01pm	41
6:31pm	42
7:01pm	44
7:31pm	44
8:01pm	43
8:31pm	44
9:01pm	45
9:31pm	46
10:01pm	48
10:31pm	49
11:01pm	51
11:31pm	52
12:01am	53
12:31am	54
1:01am	52
1:31am	53
2:01am	54
2:31am	56
3:01am	52
3:31am	52
4:01am	53
4:31am	50

Min. PM₁₀4:31am

Max. PM₁₀2:31am

Want air quality data?

PM10 particles are with a diameter of 10 micrometers (µm) or smaller and human hair has a diameter of 50 to 70 (µm). It makes PM10 1/5 to 1/7 of the human hair size.

Uncovering the Sources of Particulate Matter (PM₁₀): Where Does It Come From?

Wind-blown dust

Dust lifted and spread by the wind from bare soil.

Construction sites

Dust and pollutants from building activities.

Industries

Releases various pollutants from different processes.

Waste burning

Smoke and toxins from burning waste materials.

Landfills

Emissions from decomposing waste in big landfills.

Vehicles exhausts

Emissions of harmful gases and particles from cars.

Short-Term PM₁₀ Exposure Impacts

Allergies

Airborne allergens causing sneezing and itching.

Cough and runny nose

Respiratory irritation cause to coughing

Eyes irritations

Redness and discomfort in the eyes.

Chest tightness

Constriction feeling in the chest.

Breathing difficulty

Trouble in breathing or discomfort in the chest.

Why you should care about Particulate Matter (PM₁₀)?

Know More About PM₁₀ Sensor

Air Quality FAQs
at Louisville

Frequently Asked Questions About Air Quality

1. What is the current PM₁₀ level in Louisville?

The current real-time PM₁₀ level in Louisville is 52µg/m³ (Moderate). This was last updated 2026-08-16 04:21:01 (Local Time).

2. When was the best PM₁₀ level in Louisville in the last 24 hours?

The best PM₁₀ level was 13 µg/m³ (Good) at 4:31 AM, Aug 15, 2026 (Local Time) during the last 24 hours.

3. When was the worst PM₁₀ level in Louisville in the last 24 hours?

The worst PM₁₀ level was 56 µg/m³ (Moderate) at 2:31 AM (Local Time) during the last 24 hours.

4. What is the current trend of PM₁₀ levels in Louisville during last 24 hours?

The PM₁₀ levels in Louisville have been fluctuating throughout the last 24 hours. The levels have increased by highest 56 µg/m³ at 2:31 AM (Local Time), lowest 13 µg/m³ at 4:31 AM, Aug 15, 2026 (Local Time).

5. What actions are recommended as per the current PM₁₀ level in Louisville?

Current PM₁₀ levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.