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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
bad air
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "bad air" is correct and usable in written English.
It can be used to describe air that is polluted, unhealthy, or unpleasant to breathe. Example: "The factory's emissions have contributed to the bad air in the surrounding neighborhoods, making it difficult for residents to enjoy outdoor activities."
✓ Grammatically correct
News & Media
Science
Alternative expressions(6)
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
60 human-written examples
Bad air.
News & Media
The bad air bothered me.
News & Media
Most doctors then believed miasma – bad air – was responsible.
News & Media
He thinks bad air favors the poorer race horses.
News & Media
"They have to breathe this bad air, too, after all".
News & Media
"It's not just breathing bad air," said Aaron Cohen, the principal epidemiologist at the institute.
News & Media
He says, in the city's defence, that other Olympics have been plagued by bad air.
News & Media
Crime, overcrowding, noise, bad air, "the element," were said to be the problems.
News & Media
(We owe to it the name of the disease malaria: literally, "bad air").
News & Media
But at certain times, under certain conditions -- usually for brief periods -- the bad air still returns.
News & Media
The term malaria originates from the Italian mal aria, meaning bad air.
News & Media
Expert writing Tips
Best practice
When describing environmental issues, use "bad air" to convey the negative impact of pollution on public health and the environment. For example, in reports or articles concerning air quality, this term is easily understood by a broad audience.
Common error
Avoid attributing "bad air" solely to one source. Air quality issues often result from a combination of factors such as industrial emissions, vehicle exhaust, and weather patterns. Acknowledge multiple contributing elements for accuracy.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "bad air" functions primarily as a noun phrase, where the adjective "bad" modifies the noun "air". As Ludwig AI points out, it's used to describe air that is polluted or unhealthy.
Frequent in
News & Media
79%
Science
19%
Encyclopedias
1%
Less common in
Formal & Business
1%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "bad air" is a common and grammatically correct way to describe polluted or unhealthy air. As indicated by Ludwig AI, its frequent use in news and media highlights its role in conveying concerns about environmental and public health issues. While synonyms like "polluted air" or "poor air quality" exist, "bad air" provides a straightforward and widely understood means of expressing concern over air quality. Its usage spans across neutral contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
polluted air
Replaces "bad" with a more direct descriptor of contamination.
unhealthy air
Focuses on the negative impact on health.
poor air quality
Uses a more technical term for substandard air.
contaminated air
Highlights the presence of pollutants.
toxic air
Emphasizes the poisonous nature of the air.
stale air
Describes air that lacks freshness and circulation.
foul air
Indicates air with an unpleasant odor.
smog
Refers specifically to air pollution caused by smoke and fog.
air pollution
A general term for the presence of pollutants in the air.
miasmal air
An archaic term referring to noxious air formerly believed to cause disease.
FAQs
What are some synonyms for "bad air"?
Alternatives for "bad air" include "polluted air", "unhealthy air", and "poor air quality". The best choice depends on the specific context.
What causes "bad air"?
"Bad air" can be caused by various factors, including industrial emissions, vehicle exhaust, agricultural practices, and natural events like wildfires. These activities release pollutants that degrade air quality.
How does "bad air" affect health?
"Bad air" can lead to respiratory problems, cardiovascular diseases, and other health issues. Long-term exposure to polluted air can also increase the risk of chronic illnesses.
Is "bad air" the same as smog?
While "bad air" can refer to general air pollution, smog specifically refers to a type of air pollution characterized by a visible haze, typically caused by a combination of pollutants and weather conditions.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested