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Porterville Carbon Monoxide (CO) Level

California, United States

Carbon Monoxide (CO)

280ppb

Good

Last Updated: 2026-06-03 16:01 (Local Time)

Map

Porterville

Good

08330

Moderate

16670

Poor

25000

Unhealthy

33330

Severe

41670

Hazardous

50000+

What is the Current CO Level?
Porterville

The current CO level in Porterville based on the average air quality level across the city is 280 ppb, making it healthy and safe for everyone.

12.4xBelow

The current CO level in Porterville is 12.4x Below the recommended WHO guideline of 3490 ppb.

AQI Graph

Historic Air Quality Graph of Carbon Monoxide (CO)
Porterville

24 Hours

Porterville

CO (ppb)

02-06-2026Time03-06-2026

Time	Porterville
4:01pm	310
4:31pm	280
5:01pm	282
5:31pm	278
6:01pm	272
6:31pm	283
7:01pm	287
7:31pm	301
8:01pm	278
8:31pm	275
9:01pm	276
9:31pm	286
10:01pm	276
10:31pm	280
11:01pm	282
11:31pm	278
12:01am	276
12:31am	301
1:01am	288
1:31am	197
2:01am	195
2:31am	185
3:01am	198
3:31am	188
4:01am	288
4:31am	291
5:01am	297
5:31am	296
6:01am	287
6:31am	276
7:01am	282
7:31am	296
8:01am	306
8:31am	299
9:01am	292
9:31am	282
10:01am	275
10:31am	276
11:01am	282
11:31am	294
12:01pm	282
12:31pm	298
1:01pm	276
1:31pm	291
2:01pm	284
2:31pm	288
3:01pm	296
3:31pm	296
4:01pm	280

185

Min. CO2:31am

310

Max. CO4:01pm

Want air quality data?

Do you know CO emissions in the atmosphere can affect the greenhouse gas level? It is because CO emission causes global and climate changes in the atmosphere by increasing or changing the sea and land temperatures. It makes changes in ecosystems and storm activity and affects other weather events..

Uncovering the Sources of Carbon Monoxide (CO): Where Does It Come From?

Biomass burning

Burning wood, crop residues, and organic materials.

Power plants

Emissions from burning fossil fuels in power plants.

Fireplaces

Emissions from burning wood or coal in fireplaces.

Road traffic

Overall contributions from vehicles exhaust.

Vehicles engines

Exhaust emissions from cars and trucks.

Short-Term CO Exposure Impacts

Fatigue

Feeling tiredness or lack of energy.

Chest pain

Discomfort or pain in the chest area.

Confusion

Frequent difficulty in thinking clearly.

Flu-like symptoms

Symptoms like headache and nausea.

Weakness

Frequent weakness or lack of strength.

Why you should care about Carbon Monoxide (CO)?

Know More About CO Sensor

Air Quality FAQs
at Porterville

Frequently Asked Questions About Air Quality

What is the current CO level in Porterville?

The current real-time CO level in Porterville is 280ppb (Good). This was last updated 2026-06-03 16:01 (Local Time).

When was the best CO level in Porterville in the last 24 hours?

The best CO level was 185 ppb (Good) at 2:31 AM (Local Time) during the last 24 hours.

When was the worst CO level in Porterville in the last 24 hours?

The worst CO level was 310 ppb (Good) at 4:01 PM, Jun 2, 2026 (Local Time) during the last 24 hours.

What is the current trend of CO levels in Porterville during last 24 hours?

The CO levels in Porterville have been fluctuating throughout the last 24 hours. The levels have increased by highest 310 ppb at 4:01 PM, Jun 2, 2026 (Local Time), lowest 185 ppb at 2:31 AM (Local Time).

What actions are recommended as per the current CO level in Porterville?

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