Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a peak level of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a peak level of" is correct and usable in written English.
It can be used to describe the highest point or maximum degree of something, often in contexts related to performance, quality, or intensity. Example: "The athlete achieved a peak level of performance during the championship, setting a new record."
✓ Grammatically correct
Science
News & Media
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
28 human-written examples
He and Mr. Kesner are replanting part of the vineyard, reorienting and tweaking the vines so the grapes can be picked earlier, when, as Mr. Kesner puts it, "the fruit is at a peak level of energy".
News & Media
Flood waters flowing through Paris have swelled the river Seine to 6 metres above its normal level, with a peak level of up to 6.5 metres expected later on Friday, as the Louvre museum closed its doors to the public to allow priceless artworks to be moved up from its basement.
News & Media
This consisted of a different series of sledgehammer impacts, with a peak level of 130 dB(A).
Head kidney cells stimulated in vivo by an intraperitoneal injection of LPS showed a peak level of IL-1β expression after 1 day and a decreased level after 3 days.
Significantly higher serum levels of PCT were found in patients with severe SIRS from the 6th postoperative hour until the 3rd postoperative day with a peak level of 10.7 ± 13.2 ng/mL.
The profile of microbial communities indicated that population of anaerobic, aerobic and nitrifying bacteria increased quickly at the initial phase, and reached a peak level of 4.2 × 106, 9.78 × 108 and 9.32 × 109 CFU g−1, respectively at 21 d; while population of actinomycetes and fungi was found maximum i.e. 3.29 × 107 and 9.7 × 106 CFU g−1, respectively, after 35 d of composting.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
After reaching a peak level, the concentration of cAMP declines to a new steady state that is higher than its initial concentration.
Science
Once the AST level exceeded 5 times the ULN (designated as start of HH), it reached a median peak level of 521.2 (Q1 Q3 269.1–1581.6) U/L within a median of 16.3 (Q1–Q3 7.9–26.8) h.
Science
After a fat tolerance test, plasma TG levels reached a mean peak level of 2.3 mmol/L, whereas the mean peak level at 4 h after a normal food intake was 1.6 mmol/L.
Science
A recent study evaluating IL-6 levels in dogs with oral cancer revealed a baseline IL-6 value of 100 pg/ml and a mean peak level of 140 pg/ml after surgery during the observation period.
Science
The increased LFP amplitude reached a peak level (146.9 ± 6.7% of pre-TBS) at 10 min and remained at this level for at least 40 min (Fig. 4).
Science
Expert writing Tips
Best practice
Use "a peak level of" when you want to emphasize the highest point or maximum value of something, especially when describing a process or trend over time. For instance, "The river reached a peak level of flooding after the heavy rains."
Common error
Avoid using "a peak level of" when describing typical or average conditions. This phrase should be reserved for instances representing a maximum or culminating point, not a sustained state. For example, don't say "The average temperature reached a peak level of 25 degrees Celsius" when you mean the highest temperature was 25 degrees Celsius.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a peak level of" functions as a noun phrase that modifies another noun, specifying the highest point or maximum extent of something. As Ludwig AI confirms, this expression is widely accepted and used in various contexts.
Frequent in
Science
63%
News & Media
26%
Wiki
7%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a peak level of" is a versatile phrase used to describe the highest point or maximum extent of something. It is grammatically correct and common in both scientific and general contexts, as verified by Ludwig AI. It's particularly useful for quantifying the maximum value achieved during a process or measurement. While alternatives like "a maximum degree of" exist, "a peak level of" is favored for its specific implication of a high point reached over time. When writing, remember to use this phrase to describe a maximum or culminating point, and not a sustained or average state.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a maximum degree of
Focuses on the highest point, similar to peak, but emphasizes the extent or intensity.
a high point of
Highlights the moment of greatest achievement or intensity.
the apex of
Implies the highest or culminating point, often in a metaphorical sense.
a zenith of
Refers to the highest point or state; often used for abstract concepts.
the crest of
Evokes the image of reaching the top of a wave or curve, indicating a culmination.
a culmination of
Stresses the end result or final stage of a process or development.
a summit of
Implies reaching the top, often used for physical or metaphorical heights.
an optimal level of
Focuses on the best or most favorable level, rather than just the highest.
the highest extent of
Emphasizes the degree to which something reaches, focusing on scale.
a point of greatest intensity
Highlights the moment of maximum strength or concentration.
FAQs
How can I use "a peak level of" in a sentence?
You can use "a peak level of" to describe the highest point or maximum value achieved by something, such as "The athlete reached "a peak level of" performance during the competition".
What phrases are similar to "a peak level of"?
Similar phrases include "a maximum degree of", "a high point of", or "the apex of", all of which convey the idea of reaching the highest or most intense point.
Is it more appropriate to use "peak level" or "maximum level"?
"Peak level" and "maximum level" are often interchangeable, but "peak level" typically implies a point reached in a process that varies over time, whereas "maximum level" simply indicates the highest possible value. Choose the phrase that best fits the context.
What's the difference between "a peak level of" and "an average level of"?
"A peak level of" refers to the highest value attained, while "an average level of" describes the typical or mean value. For example, "The river reached "a peak level of" 10 feet during the storm, but the average level is usually 5 feet".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested