Pollen Monitor
Daily pollen insights

Daily pollen overview

Worcester pollen count

Latest detail and daily averages and peaks across all 390 captured day(s).

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Risk levels use category-specific National Allergy Bureau thresholds. Weed is labeled Ragweed because it is the sole weed species in the current multi-region dataset.

Latest daily detail

Tue, Oct 13, 2026. Daily averages and highest observed values.

America/New_York

Total

28

Average

50

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

28

Average

50

Peak

Values are modeled grains/m³. Risk badges use the daily peak for each category.

Species breakdown

Daily average grains/m³ for each reported allergen.

Tree

Ash0
Elm0
Oak0
Pine0
Birch0
Maple0
Mulberry0
Poplar/Cottonwood0
Cypress/Juniper/Cedar0

Grass

Grass0

Ragweed

Ragweed28

Complete daily history

Average and peak modeled grains/m³ for all 390 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest285000002850
Mon, Oct 12, 2026355300003553
Sun, Oct 11, 2026406400004064
Sat, Oct 10, 2026434900004349
Fri, Oct 9, 2026569200005692
Thu, Oct 8, 202648112000048112
Wed, Oct 7, 202649108000049108
Tue, Oct 6, 2026426600004266
Mon, Oct 5, 2026539100005391
Sun, Oct 4, 2026404800004048
Sat, Oct 3, 2026498336004577
Fri, Oct 2, 202652117818004599
Thu, Oct 1, 20263364918002446
Wed, Sep 30, 202640501519002531
Tue, Sep 29, 2026192691300913
Mon, Sep 28, 202640482024002024
Sun, Sep 27, 202649622431002431
Sat, Sep 26, 202657802840002840
Fri, Sep 25, 202658763038002738
Thu, Sep 24, 2026581003050002850
Wed, Sep 23, 202668903645003245
Tue, Sep 22, 202666743337003337
Mon, Sep 21, 202667823441003441
Sun, Sep 20, 202666723336003336
Sat, Sep 19, 202656662833002833
Fri, Sep 18, 202658942947002947
Thu, Sep 17, 2026761343867003867
Wed, Sep 16, 202659882944002944
Tue, Sep 15, 202652642733002532
Mon, Sep 14, 202656902845002845
Sun, Sep 13, 202652582629002629
Sat, Sep 12, 202663823241003141
Fri, Sep 11, 2026641223261003261
Thu, Sep 10, 2026871664383004383
Wed, Sep 9, 2026801504075004075
Tue, Sep 8, 202668883444003444
Mon, Sep 7, 2026681123456003456
Sun, Sep 6, 202653742737002737
Sat, Sep 5, 2026601103055003055
Fri, Sep 4, 2026661023351003351
Thu, Sep 3, 202654822538002944
Wed, Sep 2, 202639681831002137
Tue, Sep 1, 202649652330002635
Mon, Aug 31, 202652862033462847
Sun, Aug 30, 202658912235473149
Sat, Aug 29, 202654812131463044
Fri, Aug 28, 202647701827352638
Thu, Aug 27, 202653752129452941
Wed, Aug 26, 202655672126453036
Tue, Aug 25, 202647791830362643
Mon, Aug 24, 202645521720342428
Sun, Aug 23, 202639651525352135
Sat, Aug 22, 202628291011221516
Fri, Aug 21, 202635561422241930
Thu, Aug 20, 202630441217231724
Wed, Aug 19, 202627401115231522
Tue, Aug 18, 20262429911221316
Mon, Aug 17, 202628421116231523
Sun, Aug 16, 202633441317231824
Sat, Aug 15, 202629361114221620
Fri, Aug 14, 202630351114221619
Thu, Aug 13, 202627351114221519
Wed, Aug 12, 202625311012221417
Tue, Aug 11, 20262127810121115
Mon, Aug 10, 2026212389111213
Sun, Aug 9, 20261826710121014
Sat, Aug 8, 2026162661012914
Fri, Aug 7, 20261827710121015
Thu, Aug 6, 20261727710121015
Wed, Aug 5, 202617237911913
Tue, Aug 4, 202615226911812
Mon, Aug 3, 20261417453468
Sun, Aug 2, 202616224557810
Sat, Aug 1, 2026182824812812
Fri, Jul 31, 202615231181369
Thu, Jul 30, 202613170091156
Wed, Jul 29, 202614230091558
Tue, Jul 28, 2026162600101769
Mon, Jul 27, 2026182600121769
Sun, Jul 26, 20261828001218610
Sat, Jul 25, 2026182300121568
Fri, Jul 24, 20262128001418710
Thu, Jul 23, 2026192300121578
Wed, Jul 22, 2026152600101759
Tue, Jul 21, 2026162000101367
Mon, Jul 20, 20262028001318710
Sun, Jul 19, 20261829001219610
Sat, Jul 18, 2026172300111568
Fri, Jul 17, 20262331001520811
Thu, Jul 16, 20262229001419810
Wed, Jul 15, 20262429001519810
Tue, Jul 14, 2026222600141789
Mon, Jul 13, 20262531001620911
Sun, Jul 12, 202634420022271215
Sat, Jul 11, 20262692001759933
Fri, Jul 10, 2026202600131779
Thu, Jul 9, 20262528001618910
Wed, Jul 8, 2026172600111769
Tue, Jul 7, 20261743006131230
Mon, Jul 6, 20261846146151128
Sun, Jul 5, 2026113112412617
Sat, Jul 4, 20262257399221026
Fri, Jul 3, 20262610952312471039
Thu, Jul 2, 20261946411921614
Wed, Jul 1, 20261864518933416
Tue, Jun 30, 20261654515828411
Mon, Jun 29, 202623676201134516
Sun, Jun 28, 2026103531151628
Sat, Jun 27, 202613274871336
Fri, Jun 26, 2026153641171938
Thu, Jun 25, 202620696211032516
Wed, Jun 24, 2026183651191749
Tue, Jun 23, 2026113931162028
Mon, Jun 22, 20261940510920410
Sun, Jun 21, 202627478131323612
Sat, Jun 20, 202645106133022541022
Fri, Jun 19, 202622466141123511
Thu, Jun 18, 202633709201636815
Wed, Jun 17, 2026399311261948919
Tue, Jun 16, 202649135143824691128
Mon, Jun 15, 20263510510271751827
Sun, Jun 14, 202629628181430716
Sat, Jun 13, 20263810511321849924
Fri, Jun 12, 2026291068331449724
Thu, Jun 11, 20263610610271852827
Wed, Jun 10, 202649110143424511125
Tue, Jun 9, 202662136183830701428
Mon, Jun 8, 202654116153026561330
Sun, Jun 7, 202650100173122461023
Sat, Jun 6, 202699170427439681835
Fri, Jun 5, 202676116375626441221
Thu, Jun 4, 202680148457923461123
Wed, Jun 3, 20265010332641327512
Tue, Jun 2, 20266611248801220512
Mon, Jun 1, 202680132631021321511
Sun, May 31, 20266313150106102038
Sat, May 30, 202681149641181327410
Fri, May 29, 202610214280112162669
Thu, May 28, 2026100156781181625613
Wed, May 27, 2026115188901471829715
Tue, May 26, 2026100187791511631614
Mon, May 25, 202696160751261529512
Sun, May 24, 202676287602331235419
Sat, May 23, 2026108202851591728615
Fri, May 22, 2026126214991702029715
Thu, May 21, 20261432551122042246816
Wed, May 20, 20261332981072391942718
Tue, May 19, 20261564191253522258929
Mon, May 18, 20261293071022522036719
Sun, May 17, 20261582491252102444920
Sat, May 16, 20261775001434422550925
Fri, May 15, 2026122185961441931714
Thu, May 14, 20261503741193112241922
Wed, May 13, 202619450615544228551121
Tue, May 12, 202618639614934027481022
Mon, May 11, 202622150317844032711238
Sun, May 10, 20261854461483862756920
Sat, May 9, 20261716081385252464932
Fri, May 8, 202617744814138826691036
Thu, May 7, 202619737216330424481020
Wed, May 6, 20263481,1403161,0972639615
Tue, May 5, 20262266232085941431416
Mon, May 4, 202617352216651651029
Sun, May 3, 20261423411373373926
Sat, May 2, 20261262111252110202
Fri, May 1, 20262891,0852891,0850000
Thu, Apr 30, 20262731,0752731,0750000
Wed, Apr 29, 20262285132285130000
Tue, Apr 28, 20262647402647400000
Mon, Apr 27, 20262056102056100000
Sun, Apr 26, 20263715,1713715,1710000
Sat, Apr 25, 20261212631212630000
Fri, Apr 24, 20261637051637050000
Thu, Apr 23, 20262498132498130000
Wed, Apr 22, 20261484811484810000
Tue, Apr 21, 20261283101283100000
Mon, Apr 20, 20261461,0721461,0720000
Sun, Apr 19, 20261753431753430000
Sat, Apr 18, 20263101,6323101,6320000
Fri, Apr 17, 20264621,3054621,3050000
Thu, Apr 16, 20262411,0562411,0560000
Wed, Apr 15, 20261,0093,2871,0093,2870000
Tue, Apr 14, 20261,1805,2231,1805,2230000
Mon, Apr 13, 20265002,4375002,4370000
Sun, Apr 12, 20261798731798730000
Sat, Apr 11, 20263671,7173671,7170000
Fri, Apr 10, 20265642,8745642,8740000
Thu, Apr 9, 20262991,8112991,8110000
Wed, Apr 8, 20261576761576760000
Tue, Apr 7, 20261305451305450000
Mon, Apr 6, 20262352,3272352,3270000
Sun, Apr 5, 20261464571464570000
Sat, Apr 4, 20264331,4264331,4260000
Fri, Apr 3, 20262902,1482902,1480000
Thu, Apr 2, 20261324891324890000
Wed, Apr 1, 20267494,7057494,7050000
Tue, Mar 31, 20269255,3419255,3410000
Mon, Mar 30, 20264594,3174594,3170000
Sun, Mar 29, 20261073051073050000
Sat, Mar 28, 202679117791170000
Fri, Mar 27, 20262298502298500000
Thu, Mar 26, 20263121,0403121,0400000
Wed, Mar 25, 20261789351789350000
Tue, Mar 24, 20261052201052200000
Mon, Mar 23, 20261156591156590000
Sun, Mar 22, 20261423491423490000
Sat, Mar 21, 20262425722425720000
Fri, Mar 20, 20262231,0542231,0540000
Thu, Mar 19, 20261182051182050000
Wed, Mar 18, 202680276802760000
Tue, Mar 17, 20262136122136120000
Mon, Mar 16, 20261946331946330000
Sun, Mar 15, 20261132781132780000
Sat, Mar 14, 20262311,9872311,9870000
Fri, Mar 13, 20261072821072820000
Thu, Mar 12, 20261784681784680000
Wed, Mar 11, 20262411,1042411,1040000
Tue, Mar 10, 20263031,0943031,0940000
Mon, Mar 9, 20261273931273930000
Sun, Mar 8, 20261775551775550000
Sat, Mar 7, 202693179931790000
Fri, Mar 6, 202671373713730000
Thu, Mar 5, 202659189591890000
Wed, Mar 4, 20262691,2372691,2370000
Tue, Mar 3, 20261028291028290000
Mon, Mar 2, 20262491,5322491,5320000
Sun, Mar 1, 202676273762730000
Sat, Feb 28, 20262632,8322632,8320000
Fri, Feb 27, 202676200762000000
Thu, Feb 26, 202681236812360000
Wed, Feb 25, 202636106361060000
Tue, Feb 24, 2026498349830000
Mon, Feb 23, 20264131,7824131,7820000
Sun, Feb 22, 20261423851423850000
Sat, Feb 21, 202649129491290000
Fri, Feb 20, 202677371773710000
Thu, Feb 19, 202682216822160000
Wed, Feb 18, 202676465764650000
Tue, Feb 17, 202698755987550000
Mon, Feb 16, 202639169391690000
Sun, Feb 15, 202660379603790000
Sat, Feb 14, 2026205920590000
Fri, Feb 13, 202650118501180000
Thu, Feb 12, 202630112301120000
Wed, Feb 11, 202641215412150000
Tue, Feb 10, 202636238362380000
Mon, Feb 9, 2026134313430000
Sun, Feb 8, 2026266226620000
Sat, Feb 7, 2026245424540000
Fri, Feb 6, 2026114011400000
Thu, Feb 5, 2026165516550000
Wed, Feb 4, 2026218321830000
Tue, Feb 3, 2026189618960000
Mon, Feb 2, 2026184318430000
Sun, Feb 1, 20269199190000
Sat, Jan 31, 2026174317430000
Fri, Jan 30, 2026173117310000
Thu, Jan 29, 2026299829980000
Wed, Jan 28, 2026112611260000
Tue, Jan 27, 20268338330000
Mon, Jan 26, 20267317310000
Sun, Jan 25, 202621292212920000
Sat, Jan 24, 202618126181260000
Fri, Jan 23, 2026149814980000
Thu, Jan 22, 2026135513550000
Wed, Jan 21, 2026103710370000
Tue, Jan 20, 2026186518650000
Mon, Jan 19, 2026103610360000
Sun, Jan 18, 202632243322430000
Sat, Jan 17, 2026198119810000
Fri, Jan 16, 2026215821580000
Thu, Jan 15, 202644180441800000
Wed, Jan 14, 20261151,0821151,0820000
Tue, Jan 13, 202633230332300000
Mon, Jan 12, 2026144514450000
Sun, Jan 11, 202660481604810000
Sat, Jan 10, 202644115441150000
Fri, Jan 9, 2026279227920000
Thu, Jan 8, 202627218272180000
Wed, Jan 7, 20269189180000
Tue, Jan 6, 20269169160000
Mon, Jan 5, 20269169160000
Sun, Jan 4, 20267147140000
Sat, Jan 3, 2026166316630000
Fri, Jan 2, 20266206200000
Thu, Jan 1, 20264114110000
Wed, Dec 31, 202514119141190000
Tue, Dec 30, 202532172321720000
Mon, Dec 29, 2025124812480000
Sun, Dec 28, 20259269260000
Sat, Dec 27, 20257147140000
Fri, Dec 26, 2025103810380000
Thu, Dec 25, 2025156315630000
Wed, Dec 24, 202538681386810000
Tue, Dec 23, 20257147140000
Mon, Dec 22, 2025104410440000
Sun, Dec 21, 20257137130000
Sat, Dec 20, 20258298290000
Fri, Dec 19, 202523182231820000
Thu, Dec 18, 202528508285080000
Wed, Dec 17, 20257257250000
Tue, Dec 16, 20257197190000
Mon, Dec 15, 20256166160000
Sun, Dec 14, 20257157150000
Sat, Dec 13, 20258168160000
Fri, Dec 12, 20255115110000
Thu, Dec 11, 20255125120000
Wed, Dec 10, 20255115110000
Tue, Dec 9, 20256146140000
Mon, Dec 8, 20255115110000
Sun, Dec 7, 20255125110001
Sat, Dec 6, 20257295210028
Fri, Dec 5, 202563642100315
Thu, Dec 4, 20255172700310
Wed, Dec 3, 2025511130048
Tue, Dec 2, 20256120100511
Mon, Dec 1, 20256150000615
Sun, Nov 30, 20257180000718
Sat, Nov 29, 20255110000511
Fri, Nov 28, 20256120000612
Thu, Nov 27, 2025108400001084
Wed, Nov 26, 20258200000820
Tue, Nov 25, 20258280000828
Mon, Nov 24, 20257140000714
Sun, Nov 23, 20256130000613
Sat, Nov 22, 20257160000716
Fri, Nov 21, 20258290000829
Thu, Nov 20, 20259330000933
Wed, Nov 19, 20257130000713
Tue, Nov 18, 20256180000618
Mon, Nov 17, 20255110000511
Sun, Nov 16, 20256120000612
Sat, Nov 15, 20259470000947
Fri, Nov 14, 20256160000616
Thu, Nov 13, 20256210000621
Wed, Nov 12, 20256120000612
Tue, Nov 11, 20256140000614
Mon, Nov 10, 20256160000616
Sun, Nov 9, 20256140000614
Sat, Nov 8, 2025113600001136
Fri, Nov 7, 2025102000001020
Thu, Nov 6, 20258190000819
Wed, Nov 5, 20258180000818
Tue, Nov 4, 202518202000018202
Mon, Nov 3, 2025122300001223
Sun, Nov 2, 2025143100001431
Sat, Nov 1, 2025122600001226
Fri, Oct 31, 2025102800001028
Thu, Oct 30, 20255110000511
Wed, Oct 29, 20257250000725
Tue, Oct 28, 20259170000917
Mon, Oct 27, 2025155600001556
Sun, Oct 26, 20258230000823
Sat, Oct 25, 20258210000821
Fri, Oct 24, 20258230000823
Thu, Oct 23, 20259240000924
Wed, Oct 22, 2025165600001656
Tue, Oct 21, 2025218800002188
Mon, Oct 20, 2025144300001443
Sun, Oct 19, 202526110000026110
Sat, Oct 18, 2025247400002474
Fri, Oct 17, 2025327600003276
Thu, Oct 16, 2025163500001635
Wed, Oct 15, 2025175600001756
Tue, Oct 14, 2025112400001124
Mon, Oct 13, 2025163900001639
Sun, Oct 12, 2025314200003142
Sat, Oct 11, 2025275500002755
Fri, Oct 10, 202525110000025110
Thu, Oct 9, 202541108000041108
Wed, Oct 8, 2025256300002563
Tue, Oct 7, 202547120000047120
Mon, Oct 6, 202582503000082503
Sun, Oct 5, 202549130000049130
Sat, Oct 4, 202554115000054115
Fri, Oct 3, 202533188000033188
Thu, Oct 2, 2025316600003166
Wed, Oct 1, 2025244700002447
Tue, Sep 30, 202539168000039168
Mon, Sep 29, 202538110000038110
Sun, Sep 28, 202546179000046179
Sat, Sep 27, 2025388100003881
Fri, Sep 26, 202543156000043156
Thu, Sep 25, 2025298200002982
Wed, Sep 24, 2025478600004786
Tue, Sep 23, 2025438600004386
Mon, Sep 22, 2025519900005199
Sun, Sep 21, 202546107000046107
Sat, Sep 20, 2025479800004798
Fri, Sep 19, 202558179000058179