Class information for:
Level 2: AIR POLLUTION//PARTICULATE MATTER//PM25

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
18 4 CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES 697102
327 3       AIR POLLUTION//PARTICULATE MATTER//INHALATION TOXICOLOGY 38400
439 2             AIR POLLUTION//PARTICULATE MATTER//PM25 16528
354 1                   AIR POLLUTION//PARTICULATE MATTER//CASE CROSSOVER 3621
3967 1                   DIESEL EXHAUST PARTICLES//OXIDATIVE POTENTIAL//PARTICULATE MATTER 1907
4151 1                   PERSONAL EXPOSURE//INDOOR AIR QUALITY//AIR EXCHANGE RATE 1871
5619 1                   INDOOR CHEMISTRY//INDOOR AIR//INDOOR AIR QUALITY 1629
5663 1                   AIR POLLUTION//PARTICULATE MATTER//INHALATION TOXICOLOGY 1621
7422 1                   LAND USE REGRESSION//AIR POLLUTION//TRAFFIC 1395
7541 1                   HOUSEHOLD AIR POLLUTION//INDOOR AIR POLLUTION//COOKSTOVES 1380
16436 1                   IN VEHICLE EXPOSURE//TRANSPORT MICROENVIRONMENT//SUBWAY 681
17069 1                   AIR POLLUTION//COLUMBIA CHILDRENS ENVIRONM HLTH//TERM LOW BIRTH WEIGHT 646
18876 1                   COOKING OIL FUMES//TRACER GAS TEST//KITCHEN VENTILATION 555
21640 1                   SUSCEPTIBILITY EXPOSURE PARADIGM//STRUCT FUNCT NEUROSCI//NUCE 435
28041 1                   ASIAN SAND DUST//ASIAN DUST STORM//LUNG EOSINOPHILIA 235
29908 1                   INCENSE//INCENSE BURNING//INCENSE SMOKE 194
30046 1                   TRAFFIC POLICEMEN//URBAN POLLUTANTS//ENVIRONM NANOTOXICOL SECT 191
31421 1                   PHOTOCOPIERS//LASER PRINTER EMISSIONS//PHOTOCOPIER 167

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AIR POLLUTION authKW 2011429 19% 35% 3065
2 PARTICULATE MATTER authKW 1143082 10% 37% 1607
3 PM25 authKW 392083 4% 29% 721
4 INDOOR AIR POLLUTION authKW 346812 2% 57% 318
5 DIESEL EXHAUST PARTICLES authKW 332361 1% 73% 240
6 INDOOR AIR QUALITY authKW 301866 3% 33% 483
7 INDOOR AIR journal 216099 2% 32% 353
8 LAND USE REGRESSION authKW 197735 1% 92% 113
9 PERSONAL EXPOSURE authKW 192669 1% 50% 203
10 ENVIRONM HLTH address 189502 9% 7% 1419

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Environmental Sciences 146605 46% 1% 7569
2 Public, Environmental & Occupational Health 100674 32% 1% 5366
3 Toxicology 73100 20% 1% 3350
4 Engineering, Environmental 34437 12% 1% 1987
5 Construction & Building Technology 23640 7% 1% 1108
6 Meteorology & Atmospheric Sciences 22551 11% 1% 1807
7 Respiratory System 5491 5% 0% 883
8 Engineering, Civil 1862 4% 0% 599
9 Allergy 1667 2% 0% 278
10 Materials Science, Paper & Wood 466 1% 0% 125

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENVIRONM HLTH 189502 9% 7% 1419
2 ENVIRONM EPIDEMIOL PROGRAM 75313 0% 67% 59
3 ENVIRONM OCCUPAT HLTH SCI 72530 2% 12% 314
4 AIR HLTH SCI 68646 0% 69% 52
5 PUBL HLTH 64664 17% 1% 2773
6 EXPOSURE EPIDEMIOL RISK PROGRAM 61532 1% 34% 94
7 ENVIRONM HLTH SCI 60388 4% 5% 634
8 RISK ASSESSMENT SCI 51251 1% 13% 211
9 EXPT AIR POLLUT 42344 0% 49% 45
10 ENVIRONM PUBL HLTH 39913 0% 27% 79

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INDOOR AIR 216099 2% 32% 353
2 INHALATION TOXICOLOGY 180339 3% 21% 443
3 ENVIRONMENTAL HEALTH PERSPECTIVES 152072 5% 10% 848
4 ATMOSPHERIC ENVIRONMENT 123831 6% 6% 1066
5 JOURNAL OF EXPOSURE SCIENCE AND ENVIRONMENTAL EPIDEMIOLOGY 110725 1% 26% 223
6 ENVIRONMENTAL RESEARCH 85376 3% 9% 480
7 ENVIRONMENTAL HEALTH 83386 1% 21% 211
8 JOURNAL OF EXPOSURE ANALYSIS AND ENVIRONMENTAL EPIDEMIOLOGY 80222 1% 26% 163
9 AIR QUALITY ATMOSPHERE AND HEALTH 73539 1% 30% 129
10 INDOOR AND BUILT ENVIRONMENT 65223 1% 17% 205

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 AIR POLLUTION 2011429 19% 35% 3065 Search AIR+POLLUTION Search AIR+POLLUTION
2 PARTICULATE MATTER 1143082 10% 37% 1607 Search PARTICULATE+MATTER Search PARTICULATE+MATTER
3 PM25 392083 4% 29% 721 Search PM25 Search PM25
4 INDOOR AIR POLLUTION 346812 2% 57% 318 Search INDOOR+AIR+POLLUTION Search INDOOR+AIR+POLLUTION
5 DIESEL EXHAUST PARTICLES 332361 1% 73% 240 Search DIESEL+EXHAUST+PARTICLES Search DIESEL+EXHAUST+PARTICLES
6 INDOOR AIR QUALITY 301866 3% 33% 483 Search INDOOR+AIR+QUALITY Search INDOOR+AIR+QUALITY
7 LAND USE REGRESSION 197735 1% 92% 113 Search LAND+USE+REGRESSION Search LAND+USE+REGRESSION
8 PERSONAL EXPOSURE 192669 1% 50% 203 Search PERSONAL+EXPOSURE Search PERSONAL+EXPOSURE
9 PM10 182965 3% 22% 439 Search PM10 Search PM10
10 NITROGEN DIOXIDE 175967 2% 24% 384 Search NITROGEN+DIOXIDE Search NITROGEN+DIOXIDE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 2


rank cluster_id2 link
1 1760 OZONE//OZONE THERAPY//INHALATION TOXICOLOGY
2 84 METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC ENVIRONMENT//ATMOSPHERIC CHEMISTRY AND PHYSICS
3 1575 ISOPRENE//BIOGENIC EMISSIONS//VOLATILE ORGANIC COMPOUNDS
4 988 ATMOSPHERIC ENVIRONMENT//STREET CANYON//AIR QUALITY MODELING
5 3450 FORMALDEHYDE//BIOARENA//ENDOGENOUS FORMALDEHYDE
6 862 BIOAEROSOLS//AEROBIOLOGIA//AEROBIOLOGY
7 3959 MINE VENTILATION//CUP ANEMOMETER//DUST SUPPRESSION
8 1373 1 HYDROXYPYRENE//BENZENE//METALWORKING FLUIDS
9 1886 CHLAMYDIA PNEUMONIAE//HEAT WAVE//CHLAMYDOPHILA PNEUMONIAE
10 3746 GRAPHITE DUST//PARTICLE RESUSPENSION//REENTRAINMENT

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