Pollen Monitor
Daily pollen insights

Daily pollen overview

Seattle pollen count

Latest detail and daily averages and peaks across all 391 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/Los_Angeles

Total

29

Average

32

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

29

Average

32

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

Ragweed29

Complete daily history

Average and peak modeled grains/m³ for all 391 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest293200002932
Mon, Oct 12, 2026436600004366
Sun, Oct 11, 2026416500004165
Sat, Oct 10, 2026455300004553
Fri, Oct 9, 2026468200004682
Thu, Oct 8, 2026325000003250
Wed, Oct 7, 2026435000004350
Tue, Oct 6, 2026263600002636
Mon, Oct 5, 2026405000004050
Sun, Oct 4, 2026425000004250
Sat, Oct 3, 2026424633003943
Fri, Oct 2, 2026394767003340
Thu, Oct 1, 20262939811002128
Wed, Sep 30, 202648611823002938
Tue, Sep 29, 202646922346002346
Mon, Sep 28, 202646582431002229
Sun, Sep 27, 202653622731002631
Sat, Sep 26, 202650602631002430
Fri, Sep 25, 202646582329002329
Thu, Sep 24, 202661683034003034
Wed, Sep 23, 202660683034003034
Tue, Sep 22, 202667743437003437
Mon, Sep 21, 202665743337003337
Sun, Sep 20, 202661843042003042
Sat, Sep 19, 202651602530002530
Fri, Sep 18, 202656642832002832
Thu, Sep 17, 2026731043752003752
Wed, Sep 16, 202650722536002536
Tue, Sep 15, 202648662433002433
Mon, Sep 14, 202651742537002537
Sun, Sep 13, 202660803040003040
Sat, Sep 12, 202655702835002835
Fri, Sep 11, 202652582629002629
Thu, Sep 10, 202662943147003147
Wed, Sep 9, 202674883744003744
Tue, Sep 8, 202661823041003041
Mon, Sep 7, 202660683034003034
Sun, Sep 6, 202661663133003133
Sat, Sep 5, 202657862943002943
Fri, Sep 4, 202659862943002943
Thu, Sep 3, 202657822638003144
Wed, Sep 2, 202640501823002227
Tue, Sep 1, 202657762635003141
Mon, Aug 31, 202647811831362644
Sun, Aug 30, 202642491619332327
Sat, Aug 29, 202641491619332227
Fri, Aug 28, 202660742329453240
Thu, Aug 27, 202655672126453036
Wed, Aug 26, 202658912335473249
Tue, Aug 25, 2026501061941382757
Mon, Aug 24, 202649681926352637
Sun, Aug 23, 202632541221241829
Sat, Aug 22, 202634521320241928
Fri, Aug 21, 202642801631362343
Thu, Aug 20, 202637491419232027
Wed, Aug 19, 202633441317231824
Tue, Aug 18, 202633461318231825
Mon, Aug 17, 202634491319231927
Sun, Aug 16, 202637461418232025
Sat, Aug 15, 202629401115231622
Fri, Aug 14, 202626401015231522
Thu, Aug 13, 202631401215231722
Wed, Aug 12, 202626461018231525
Tue, Aug 11, 20262131812221217
Mon, Aug 10, 20261828711121015
Sun, Aug 9, 20262026810121114
Sat, Aug 8, 20262026810121114
Fri, Aug 7, 20262227910121215
Thu, Aug 6, 20262128811121215
Wed, Aug 5, 2026182379111013
Tue, Aug 4, 2026182279111012
Mon, Aug 3, 202617235745811
Sun, Aug 2, 202616234557811
Sat, Aug 1, 2026213034913913
Fri, Jul 31, 20262129121116811
Thu, Jul 30, 2026182600121769
Wed, Jul 29, 2026192500131679
Tue, Jul 28, 2026202300131578
Mon, Jul 27, 2026182200121468
Sun, Jul 26, 2026182300121568
Sat, Jul 25, 2026192300121578
Fri, Jul 24, 2026212500141689
Thu, Jul 23, 20262231001420811
Wed, Jul 22, 20262129001419810
Tue, Jul 21, 2026202500131679
Mon, Jul 20, 2026202500131679
Sun, Jul 19, 2026192500121669
Sat, Jul 18, 2026182200111468
Fri, Jul 17, 2026172600111769
Thu, Jul 16, 2026192600121779
Wed, Jul 15, 202631400020261114
Tue, Jul 14, 20262129001419710
Mon, Jul 13, 20262436001623813
Sun, Jul 12, 202632450021291116
Sat, Jul 11, 20262332001521811
Fri, Jul 10, 20262432001521811
Thu, Jul 9, 20262543001628915
Wed, Jul 8, 20262128001318814
Tue, Jul 7, 20261851016171233
Mon, Jul 6, 20262444138161427
Sun, Jul 5, 202629573711221531
Sat, Jul 4, 2026205639821926
Fri, Jul 3, 2026204249918715
Thu, Jul 2, 2026183247815510
Wed, Jul 1, 2026193251091547
Tue, Jun 30, 202617305991447
Mon, Jun 29, 2026173651191748
Sun, Jun 28, 20261847513923412
Sat, Jun 27, 202619485151022411
Fri, Jun 26, 202624487141224512
Thu, Jun 25, 2026357010221732816
Wed, Jun 24, 2026404712141923912
Tue, Jun 23, 202657136164228621332
Mon, Jun 22, 202633749191636819
Sun, Jun 21, 2026398211211940921
Sat, Jun 20, 2026397411201936919
Fri, Jun 19, 20264270122221331016
Thu, Jun 18, 202659125173928571329
Wed, Jun 17, 20264291122820421022
Tue, Jun 16, 2026408512241941922
Mon, Jun 15, 202621426111020511
Sun, Jun 14, 2026311279361565726
Sat, Jun 13, 202646134133823691127
Fri, Jun 12, 2026395811181927913
Thu, Jun 11, 202648108143323501125
Wed, Jun 10, 2026376911211832816
Tue, Jun 9, 202655132163627651334
Mon, Jun 8, 20264264122020291015
Sun, Jun 7, 202669162245031741538
Sat, Jun 6, 2026107232469542951942
Fri, Jun 5, 202672121366025471121
Thu, Jun 4, 2026619435571829815
Wed, Jun 3, 20264811632771229510
Tue, Jun 2, 2026589742721120510
Mon, Jun 1, 2026100171791321626613
Sun, May 31, 20266290487291647
Sat, May 30, 2026801026380131858
Fri, May 29, 20268312466941321510
Thu, May 28, 20268014264112132647
Wed, May 27, 2026751045981121649
Tue, May 26, 202685147671171326510
Mon, May 25, 202666143521081023412
Sun, May 24, 202678133611011221511
Sat, May 23, 202698180761371528615
Fri, May 22, 2026100216791781634514
Thu, May 21, 20261292961022412036819
Wed, May 20, 202669147541161127410
Tue, May 19, 202699177771371626614
Mon, May 18, 202698183771391529615
Sun, May 17, 20261582901252282453916
Sat, May 16, 202620046015939030691134
Fri, May 15, 20261272351001882043712
Thu, May 14, 202617753514040527851045
Wed, May 13, 20261463921163282253822
Tue, May 12, 20261473541152732354927
Mon, May 11, 202620540816435229481124
Sun, May 10, 202618046714540626641034
Sat, May 9, 20261794091443572643923
Fri, May 8, 202621751217443731551227
Thu, May 7, 202629783825374631601332
Wed, May 6, 20263769313408772844818
Tue, May 5, 20261684851544571126314
Mon, May 4, 202614225813625451414
Sun, May 3, 202614327313926331014
Sat, May 2, 20262282,2082282,2080101
Fri, May 1, 20261815291815290000
Thu, Apr 30, 20261513141513140000
Wed, Apr 29, 20262104572104570000
Tue, Apr 28, 20261924321924320000
Mon, Apr 27, 20261984141984140000
Sun, Apr 26, 20263854,2963854,2960000
Sat, Apr 25, 20262746312746310000
Fri, Apr 24, 20264533,2464533,2460000
Thu, Apr 23, 20262921,6352921,6350000
Wed, Apr 22, 20263331,1623331,1620000
Tue, Apr 21, 20264951,9694951,9690000
Mon, Apr 20, 20264121,4154121,4150000
Sun, Apr 19, 20263821,0383821,0380000
Sat, Apr 18, 20263961,1223961,1220000
Fri, Apr 17, 20262468122468120000
Thu, Apr 16, 20261708001708000000
Wed, Apr 15, 20261644211644210000
Tue, Apr 14, 20262655692655690000
Mon, Apr 13, 20264582,5204582,5200000
Sun, Apr 12, 20262581,0022581,0020000
Sat, Apr 11, 20265524,2995524,2990000
Fri, Apr 10, 20264231,9974231,9970000
Thu, Apr 9, 20263801,4303801,4300000
Wed, Apr 8, 20262451,0742451,0740000
Tue, Apr 7, 20264953,1104953,1100000
Mon, Apr 6, 20265582,8165582,8160000
Sun, Apr 5, 20264731,6594731,6590000
Sat, Apr 4, 20263841,5093841,5090000
Fri, Apr 3, 20262858282858280000
Thu, Apr 2, 20262831,3722831,3720000
Wed, Apr 1, 20261675811675810000
Tue, Mar 31, 20261734311734310000
Mon, Mar 30, 20261521,1931521,1930000
Sun, Mar 29, 20262706532706530000
Sat, Mar 28, 20262254242254240000
Fri, Mar 27, 20262191,3242191,3240000
Thu, Mar 26, 20261865671865670000
Wed, Mar 25, 20262554752554750000
Tue, Mar 24, 20262121,0982121,0980000
Mon, Mar 23, 20262171,6462171,6460000
Sun, Mar 22, 20261918811918810000
Sat, Mar 21, 20262265902265900000
Fri, Mar 20, 20261997471997470000
Thu, Mar 19, 20263891,3273891,3270000
Wed, Mar 18, 20262231,0892231,0890000
Tue, Mar 17, 20263378303378300000
Mon, Mar 16, 20262066452066450000
Sun, Mar 15, 20261022001022000000
Sat, Mar 14, 20261084041084040000
Fri, Mar 13, 20261095371095370000
Thu, Mar 12, 20262893,0652893,0650000
Wed, Mar 11, 20261437001437000000
Tue, Mar 10, 20261172561172560000
Mon, Mar 9, 20261483921483920000
Sun, Mar 8, 20262705472705470000
Sat, Mar 7, 20262817532817530000
Fri, Mar 6, 20261603121603120000
Thu, Mar 5, 20261743301743300000
Wed, Mar 4, 20261574381574380000
Tue, Mar 3, 20262358402358400000
Mon, Mar 2, 20261524271524270000
Sun, Mar 1, 20261737901737900000
Sat, Feb 28, 20262386572386570000
Fri, Feb 27, 20262104272104270000
Thu, Feb 26, 20261716721716720000
Wed, Feb 25, 20261178331178330000
Tue, Feb 24, 20261844811844810000
Mon, Feb 23, 20261814301814300000
Sun, Feb 22, 20261948171948170000
Sat, Feb 21, 20261193491193490000
Fri, Feb 20, 20261164581164580000
Thu, Feb 19, 202665117651170000
Wed, Feb 18, 202666220662200000
Tue, Feb 17, 20261152801152800000
Mon, Feb 16, 20261024371024370000
Sun, Feb 15, 202689170891700000
Sat, Feb 14, 202670117701170000
Fri, Feb 13, 20261924521924520000
Thu, Feb 12, 202697163971630000
Wed, Feb 11, 20261051831051830000
Tue, Feb 10, 20261122191122190000
Mon, Feb 9, 202670213702130000
Sun, Feb 8, 20261102891102890000
Sat, Feb 7, 202695152951520000
Fri, Feb 6, 20261312811312810000
Thu, Feb 5, 202696149961490000
Wed, Feb 4, 20261231601231600000
Tue, Feb 3, 202695154951540000
Mon, Feb 2, 20261452841452840000
Sun, Feb 1, 202678130781300000
Sat, Jan 31, 202668106681060000
Fri, Jan 30, 2026467446740000
Thu, Jan 29, 202663112631120000
Wed, Jan 28, 202672169721690000
Tue, Jan 27, 2026569656960000
Mon, Jan 26, 2026419041900000
Sun, Jan 25, 202687443874430000
Sat, Jan 24, 20261047751047750000
Fri, Jan 23, 202638112381120000
Thu, Jan 22, 2026327432740000
Wed, Jan 21, 202649185491850000
Tue, Jan 20, 202674176741760000
Mon, Jan 19, 202662193621930000
Sun, Jan 18, 20261197641197640000
Sat, Jan 17, 202671372713720000
Fri, Jan 16, 202660213602130000
Thu, Jan 15, 202656107561070000
Wed, Jan 14, 202669101691010000
Tue, Jan 13, 202640122401220000
Mon, Jan 12, 20261151,1021151,1020000
Sun, Jan 11, 202673165731650000
Sat, Jan 10, 202646114461140000
Fri, Jan 9, 2026356735670000
Thu, Jan 8, 202638169381690000
Wed, Jan 7, 202647275472750000
Tue, Jan 6, 202645176451760000
Mon, Jan 5, 2026388038800000
Sun, Jan 4, 2026206520650000
Sat, Jan 3, 2026356335630000
Fri, Jan 2, 20269209200000
Thu, Jan 1, 2026183518350000
Wed, Dec 31, 2025266326630000
Tue, Dec 30, 2025234023400000
Mon, Dec 29, 2025307130710000
Sun, Dec 28, 2025123112310000
Sat, Dec 27, 2025104510450000
Fri, Dec 26, 2025204120410000
Thu, Dec 25, 2025165116510000
Wed, Dec 24, 2025154115410000
Tue, Dec 23, 2025154315430000
Mon, Dec 22, 202546272462720000
Sun, Dec 21, 2025124012400000
Sat, Dec 20, 20259299290000
Fri, Dec 19, 2025106510650000
Thu, Dec 18, 202525171251710000
Wed, Dec 17, 202542657426570000
Tue, Dec 16, 2025132813280000
Mon, Dec 15, 20256186180000
Sun, Dec 14, 202529188291880000
Sat, Dec 13, 2025912291220000
Fri, Dec 12, 20256186180000
Thu, Dec 11, 20256176170000
Wed, Dec 10, 2025308730870000
Tue, Dec 9, 20257187180000
Mon, Dec 8, 2025102110210000
Sun, Dec 7, 20256145130001
Sat, Dec 6, 202575053600214
Fri, Dec 5, 20257214120039
Thu, Dec 4, 20256213900412
Wed, Dec 3, 2025411130038
Tue, Dec 2, 20254100100410
Mon, Dec 1, 20256230000623
Sun, Nov 30, 20256260000626
Sat, Nov 29, 20255140000514
Fri, Nov 28, 20257220000722
Thu, Nov 27, 2025114000001140
Wed, Nov 26, 2025137600001376
Tue, Nov 25, 20259380000938
Mon, Nov 24, 20258570000857
Sun, Nov 23, 20257190000719
Sat, Nov 22, 20258140000814
Fri, Nov 21, 20256180000618
Thu, Nov 20, 20258250000825
Wed, Nov 19, 20256210000621
Tue, Nov 18, 20255140000514
Mon, Nov 17, 20255200000520
Sun, Nov 16, 20254100000410
Sat, Nov 15, 20254100000410
Fri, Nov 14, 20256330000633
Thu, Nov 13, 20256160000616
Wed, Nov 12, 202512111000012111
Tue, Nov 11, 202513119000013119
Mon, Nov 10, 2025102000001020
Sun, Nov 9, 20259170000917
Sat, Nov 8, 20256140000614
Fri, Nov 7, 20256140000614
Thu, Nov 6, 20256140000614
Wed, Nov 5, 20257170000717
Tue, Nov 4, 20255160000516
Mon, Nov 3, 20259430000943
Sun, Nov 2, 20259230000923
Sat, Nov 1, 202515107000015107
Fri, Oct 31, 202514173000014173
Thu, Oct 30, 20257220000722
Wed, Oct 29, 20257180000718
Tue, Oct 28, 20257150000715
Mon, Oct 27, 2025133200001332
Sun, Oct 26, 20257190000719
Sat, Oct 25, 20258260000826
Fri, Oct 24, 2025215500002155
Thu, Oct 23, 2025277700002777
Wed, Oct 22, 202529203000029203
Tue, Oct 21, 2025107300001073
Mon, Oct 20, 2025127500001275
Sun, Oct 19, 2025195900001959
Sat, Oct 18, 2025223200002232
Fri, Oct 17, 2025209600002096
Thu, Oct 16, 2025224100002241
Wed, Oct 15, 2025387300003873
Tue, Oct 14, 2025164600001646
Mon, Oct 13, 2025264800002648
Sun, Oct 12, 2025283900002839
Sat, Oct 11, 2025277400002774
Fri, Oct 10, 2025167500001675
Thu, Oct 9, 2025325400003254
Wed, Oct 8, 2025226200002262
Tue, Oct 7, 202533101000033101
Mon, Oct 6, 2025266900002669
Sun, Oct 5, 2025295300002953
Sat, Oct 4, 202540105000040105
Fri, Oct 3, 2025209200002092
Thu, Oct 2, 2025369400003694
Wed, Oct 1, 202522113000022113
Tue, Sep 30, 2025279000002790
Mon, Sep 29, 202527114000027114
Sun, Sep 28, 202537113000037113
Sat, Sep 27, 202543116000043116
Fri, Sep 26, 202533109000033109
Thu, Sep 25, 202538100000038100
Wed, Sep 24, 2025398200003982
Tue, Sep 23, 202544204000044204
Mon, Sep 22, 2025335500003355
Sun, Sep 21, 202549152000049152
Sat, Sep 20, 202541119000041119
Fri, Sep 19, 2025439600004396
Thu, Sep 18, 202551169000051169