Pollen Monitor
Daily pollen insights

Daily pollen overview

Washington D C 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/New_York

Total

34

Average

44

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

34

Average

44

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

Ragweed34

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, 2026Latest344400003444
Mon, Oct 12, 2026446500004465
Sun, Oct 11, 2026415300004153
Sat, Oct 10, 2026447200004472
Fri, Oct 9, 2026536900005369
Thu, Oct 8, 202651105000051105
Wed, Oct 7, 202661125000061125
Tue, Oct 6, 2026405800004058
Mon, Oct 5, 202654155000054155
Sun, Oct 4, 2026334000003340
Sat, Oct 3, 2026448736004181
Fri, Oct 2, 20265791814004877
Thu, Oct 1, 20266115917450044114
Wed, Sep 30, 2026651182545004073
Tue, Sep 29, 202649982449002449
Mon, Sep 28, 202644702235002235
Sun, Sep 27, 202641502125002125
Sat, Sep 26, 2026631083154003154
Fri, Sep 25, 2026661263363003363
Thu, Sep 24, 202660663033003033
Wed, Sep 23, 202654582729002729
Tue, Sep 22, 202657822941002941
Mon, Sep 21, 202657822841002841
Sun, Sep 20, 2026110244551220055122
Sat, Sep 19, 2026771003850003850
Fri, Sep 18, 2026121268601340060134
Thu, Sep 17, 2026109260551300055130
Wed, Sep 16, 2026711283564003564
Tue, Sep 15, 202663983149003149
Mon, Sep 14, 2026811344067004067
Sun, Sep 13, 2026851824391004391
Sat, Sep 12, 2026701243562003562
Fri, Sep 11, 2026761043852003852
Thu, Sep 10, 2026130208651040065104
Wed, Sep 9, 2026871444472004472
Tue, Sep 8, 2026791384069004069
Mon, Sep 7, 2026781523976003976
Sun, Sep 6, 2026781023951003951
Sat, Sep 5, 2026741183759003759
Fri, Sep 4, 2026881824491004491
Thu, Sep 3, 2026671133152003661
Wed, Sep 2, 2026661023047003655
Tue, Sep 1, 2026761133552004161
Mon, Aug 31, 2026601092342483359
Sun, Aug 30, 202666942636573651
Sat, Aug 29, 2026751132944584161
Fri, Aug 28, 202651682026352837
Thu, Aug 27, 202654912135472949
Wed, Aug 26, 202655682126453037
Tue, Aug 25, 202645851733362446
Mon, Aug 24, 202643491719332327
Sun, Aug 23, 202633551321241830
Sat, Aug 22, 202627361014221520
Fri, Aug 21, 202635941336271951
Thu, Aug 20, 202628321112221518
Wed, Aug 19, 202629361114221620
Tue, Aug 18, 202626291011221416
Mon, Aug 17, 202625461018231425
Sun, Aug 16, 202627361014221520
Sat, Aug 15, 202626281011221415
Fri, Aug 14, 202626461018231425
Thu, Aug 13, 202626311012221417
Wed, Aug 12, 202625361014121420
Tue, Aug 11, 202616236911913
Mon, Aug 10, 20261926710121014
Sun, Aug 9, 20262042816131123
Sat, Aug 8, 20261926710121114
Fri, Aug 7, 20261732712121018
Thu, Aug 6, 20262156822141230
Wed, Aug 5, 20262157822141131
Tue, Aug 4, 2026182279111012
Mon, Aug 3, 202617285946813
Sun, Aug 2, 202619284669913
Sat, Aug 1, 2026212533911911
Fri, Jul 31, 2026212311121389
Thu, Jul 30, 2026232600151789
Wed, Jul 29, 2026182600121769
Tue, Jul 28, 2026212600141789
Mon, Jul 27, 2026202600131779
Sun, Jul 26, 2026212200131488
Sat, Jul 25, 20262128001318710
Fri, Jul 24, 20262528001618910
Thu, Jul 23, 20262328001518810
Wed, Jul 22, 20261828001218610
Tue, Jul 21, 2026222600141789
Mon, Jul 20, 2026212600141789
Sun, Jul 19, 2026192600121779
Sat, Jul 18, 20262229001419810
Fri, Jul 17, 20262644001728916
Thu, Jul 16, 2026232500151689
Wed, Jul 15, 2026242600151789
Tue, Jul 14, 20262029001319710
Mon, Jul 13, 202627340018221012
Sun, Jul 12, 202628310018201011
Sat, Jul 11, 20261928001218710
Fri, Jul 10, 20262060001339721
Thu, Jul 9, 20262428001518810
Wed, Jul 8, 20261934001217725
Tue, Jul 7, 2026104001313726
Mon, Jul 6, 20262059157211236
Sun, Jul 5, 2026175816724929
Sat, Jul 4, 2026214737920922
Fri, Jul 3, 2026251495241168957
Thu, Jul 2, 202622495111023715
Wed, Jul 1, 2026153941172038
Tue, Jun 30, 20261650415823412
Mon, Jun 29, 20261543413820310
Sun, Jun 28, 202613204661035
Sat, Jun 27, 202613294961337
Fri, Jun 26, 202620406101020410
Thu, Jun 25, 202624557171125513
Wed, Jun 24, 202624557171225513
Tue, Jun 23, 202615234771136
Mon, Jun 22, 202625607171231612
Sun, Jun 21, 202629738221534717
Sat, Jun 20, 202631879271540720
Fri, Jun 19, 20262340612112159
Thu, Jun 18, 202623437131120510
Wed, Jun 17, 202629668171432717
Tue, Jun 16, 20264579132222411018
Mon, Jun 15, 20264796132523461125
Sun, Jun 14, 20264115312472070936
Sat, Jun 13, 202633639191631816
Fri, Jun 12, 2026356610201732817
Thu, Jun 11, 2026376011171831812
Wed, Jun 10, 20264996143024441122
Tue, Jun 9, 20266899192933511622
Mon, Jun 8, 202664125183231611532
Sun, Jun 7, 202655128194625561126
Sat, Jun 6, 2026112222489644912045
Fri, Jun 5, 202668128336524471123
Thu, Jun 4, 20265812533671738820
Wed, Jun 3, 202663201411281652621
Tue, Jun 2, 202669163511161330517
Mon, Jun 1, 202698184761401629615
Sun, May 31, 202684322662491349524
Sat, May 30, 2026100167791361625613
Fri, May 29, 2026101179791411633611
Thu, May 28, 202692162721301425513
Wed, May 27, 202692419733521444523
Tue, May 26, 20268313465106132458
Mon, May 25, 2026101193791521635612
Sun, May 24, 20261402641102002245822
Sat, May 23, 2026112243881881837618
Fri, May 22, 2026127204991552034717
Thu, May 21, 20261523551223032245820
Wed, May 20, 20261344111093591837720
Tue, May 19, 2026103302812291648625
Mon, May 18, 20261309701078631770737
Sun, May 17, 20261272921002452040720
Sat, May 16, 20261695761374962452828
Fri, May 15, 202620234516229830461122
Thu, May 14, 202631281525973239711430
Wed, May 13, 202622488718278430671236
Tue, May 12, 202619231015225329451124
Mon, May 11, 202627077022268935691327
Sun, May 10, 20261874521513972757922
Sat, May 9, 2026331840271741431151657
Fri, May 8, 20262047471676672868925
Thu, May 7, 202631273526365134671535
Wed, May 6, 20263056682746232539616
Tue, May 5, 20262716922496621732517
Mon, May 4, 2026269823259817822210
Sun, May 3, 2026288981281975515210
Sat, May 2, 20263268343258341313
Fri, May 1, 20262487972487970000
Thu, Apr 30, 20263117413117410000
Wed, Apr 29, 20262866622866620000
Tue, Apr 28, 20263507163507160000
Mon, Apr 27, 20261865961865960000
Sun, Apr 26, 20262224112224110000
Sat, Apr 25, 20264621,4074621,4070000
Fri, Apr 24, 20264501,0464501,0460000
Thu, Apr 23, 20267122,5277122,5270000
Wed, Apr 22, 20267824,5257824,5250000
Tue, Apr 21, 20265192,2235192,2230000
Mon, Apr 20, 20262145292145290000
Sun, Apr 19, 20265181,3385181,3380000
Sat, Apr 18, 20264581,4154581,4150000
Fri, Apr 17, 20265331,3305331,3300000
Thu, Apr 16, 20264691,9624691,9620000
Wed, Apr 15, 20261,2914,0221,2914,0220000
Tue, Apr 14, 20261,0662,6761,0662,6760000
Mon, Apr 13, 20261,0414,1441,0414,1440000
Sun, Apr 12, 20268083,1898083,1890000
Sat, Apr 11, 20268042,8878042,8870000
Fri, Apr 10, 20265541,9065541,9060000
Thu, Apr 9, 20263311,7203311,7200000
Wed, Apr 8, 20262471,8342471,8340000
Tue, Apr 7, 20264961,1784961,1780000
Mon, Apr 6, 20267904,0697904,0690000
Sun, Apr 5, 20261,1562,8201,1562,8200000
Sat, Apr 4, 20269553,1379553,1370000
Fri, Apr 3, 20264332,1454332,1450000
Thu, Apr 2, 20261,0435,6251,0435,6250000
Wed, Apr 1, 20261,0503,2351,0503,2350000
Tue, Mar 31, 20261,5375,1971,5375,1970000
Mon, Mar 30, 20261,3924,3211,3924,3210000
Sun, Mar 29, 20266045,4886045,4880000
Sat, Mar 28, 20261944311944310000
Fri, Mar 27, 20261,1594,1781,1594,1780000
Thu, Mar 26, 20267252,0417252,0410000
Wed, Mar 25, 20264114,1054114,1050000
Tue, Mar 24, 20262071,3872071,3870000
Mon, Mar 23, 20268282,4998282,4990000
Sun, Mar 22, 20266622,5996622,5990000
Sat, Mar 21, 20267053,6277053,6270000
Fri, Mar 20, 20263881,7153881,7150000
Thu, Mar 19, 20263131,5823131,5820000
Wed, Mar 18, 20262343,6392343,6390000
Tue, Mar 17, 20262462,3052462,3050000
Mon, Mar 16, 20267882,3537882,3530000
Sun, Mar 15, 20262389532389530000
Sat, Mar 14, 20262988462988460000
Fri, Mar 13, 20261816211816210000
Thu, Mar 12, 20262829862829860000
Wed, Mar 11, 20263181,2973181,2970000
Tue, Mar 10, 20262439862439860000
Mon, Mar 9, 20261836291836290000
Sun, Mar 8, 20262768082768080000
Sat, Mar 7, 20262156592156590000
Fri, Mar 6, 20262098922098920000
Thu, Mar 5, 20261704001704000000
Wed, Mar 4, 20261314011314010000
Tue, Mar 3, 20262891,7252891,7250000
Mon, Mar 2, 20261308701308700000
Sun, Mar 1, 20262467342467340000
Sat, Feb 28, 20263281,3593281,3590000
Fri, Feb 27, 20262088822088820000
Thu, Feb 26, 20261112991112990000
Wed, Feb 25, 20261831,5031831,5030000
Tue, Feb 24, 20261147551147550000
Mon, Feb 23, 202691333913330000
Sun, Feb 22, 20261981,0651981,0650000
Sat, Feb 21, 20262651,5112651,5110000
Fri, Feb 20, 20261454821454820000
Thu, Feb 19, 202693194931940000
Wed, Feb 18, 202678193781930000
Tue, Feb 17, 20261237541237540000
Mon, Feb 16, 20261929261929260000
Sun, Feb 15, 202664154641540000
Sat, Feb 14, 202644139441390000
Fri, Feb 13, 202672323723230000
Thu, Feb 12, 202686205862050000
Wed, Feb 11, 20261082401082400000
Tue, Feb 10, 202690180901800000
Mon, Feb 9, 202627155271550000
Sun, Feb 8, 202673575735750000
Sat, Feb 7, 2026144514450000
Fri, Feb 6, 202639112391120000
Thu, Feb 5, 2026225722570000
Wed, Feb 4, 2026387338730000
Tue, Feb 3, 202643125431250000
Mon, Feb 2, 202660170601700000
Sun, Feb 1, 2026165816580000
Sat, Jan 31, 2026102710270000
Fri, Jan 30, 2026185218520000
Thu, Jan 29, 202626100261000000
Wed, Jan 28, 202629278292780000
Tue, Jan 27, 20268228220000
Mon, Jan 26, 20269459450000
Sun, Jan 25, 20268178170000
Sat, Jan 24, 202666696666960000
Fri, Jan 23, 20261254061254060000
Thu, Jan 22, 20261025541025540000
Wed, Jan 21, 20261039061039060000
Tue, Jan 20, 20265404,8785404,8780000
Mon, Jan 19, 202637282372820000
Sun, Jan 18, 202675265752650000
Sat, Jan 17, 202688234882340000
Fri, Jan 16, 202636176361760000
Thu, Jan 15, 20261148791148790000
Wed, Jan 14, 20261684551684550000
Tue, Jan 13, 202688426884260000
Mon, Jan 12, 202667246672460000
Sun, Jan 11, 20261498551498550000
Sat, Jan 10, 2026518251820000
Fri, Jan 9, 202647122471220000
Thu, Jan 8, 202647127471270000
Wed, Jan 7, 202633118331180000
Tue, Jan 6, 202643490434900000
Mon, Jan 5, 202621106211060000
Sun, Jan 4, 2026164916490000
Sat, Jan 3, 2026238523850000
Fri, Jan 2, 2026124412440000
Thu, Jan 1, 20263742,6313742,6310000
Wed, Dec 31, 20258638630000
Tue, Dec 30, 2025237423740000
Mon, Dec 29, 20251721,5201721,5200000
Sun, Dec 28, 2025164416440000
Sat, Dec 27, 2025238023800000
Fri, Dec 26, 2025359335930000
Thu, Dec 25, 202544237442370000
Wed, Dec 24, 202532186321860000
Tue, Dec 23, 2025135513550000
Mon, Dec 22, 2025155615560000
Sun, Dec 21, 2025195519550000
Sat, Dec 20, 2025103810380000
Fri, Dec 19, 2025153815380000
Thu, Dec 18, 202523186231860000
Wed, Dec 17, 2025145314530000
Tue, Dec 16, 20255115110000
Mon, Dec 15, 20255165160000
Sun, Dec 14, 20258258250000
Sat, Dec 13, 20258148140000
Fri, Dec 12, 20258298290000
Thu, Dec 11, 20256126120000
Wed, Dec 10, 20255115110000
Tue, Dec 9, 20256146140000
Mon, Dec 8, 20258238230000
Sun, Dec 7, 20257207190002
Sat, Dec 6, 20257205150025
Fri, Dec 5, 2025614480026
Thu, Dec 4, 2025614360048
Wed, Dec 3, 20255231600417
Tue, Dec 2, 20256150100514
Mon, Dec 1, 20258480000848
Sun, Nov 30, 20256170000617
Sat, Nov 29, 20255110000511
Fri, Nov 28, 20256140000614
Thu, Nov 27, 2025145500001455
Wed, Nov 26, 2025154300001543
Tue, Nov 25, 2025134800001348
Mon, Nov 24, 2025133200001332
Sun, Nov 23, 2025104700001047
Sat, Nov 22, 20257240000724
Fri, Nov 21, 20257220000722
Thu, Nov 20, 20256140000614
Wed, Nov 19, 20258190000819
Tue, Nov 18, 20259480000948
Mon, Nov 17, 2025184500001845
Sun, Nov 16, 202547139000047139
Sat, Nov 15, 2025134700001347
Fri, Nov 14, 2025143900001439
Thu, Nov 13, 202530264000030264
Wed, Nov 12, 2025186700001867
Tue, Nov 11, 20259210000921
Mon, Nov 10, 2025146000001460
Sun, Nov 9, 2025102400001024
Sat, Nov 8, 2025173000001730
Fri, Nov 7, 2025143500001435
Thu, Nov 6, 202531104000031104
Wed, Nov 5, 2025157900001579
Tue, Nov 4, 202531184000031184
Mon, Nov 3, 2025165300001653
Sun, Nov 2, 2025217200002172
Sat, Nov 1, 2025307400003074
Fri, Oct 31, 2025377700003777
Thu, Oct 30, 2025298900002989
Wed, Oct 29, 2025153800001538
Tue, Oct 28, 2025154200001542
Mon, Oct 27, 202536185000036185
Sun, Oct 26, 2025133300001333
Sat, Oct 25, 2025133700001337
Fri, Oct 24, 202531100000031100
Thu, Oct 23, 2025398700003987
Wed, Oct 22, 202563267000063267
Tue, Oct 21, 202541169000041169
Mon, Oct 20, 202554115000054115
Sun, Oct 19, 202557257000057257
Sat, Oct 18, 202549166000049166
Fri, Oct 17, 202552199000052199
Thu, Oct 16, 202549135000049135
Wed, Oct 15, 202540129000040129
Tue, Oct 14, 2025218700002187
Mon, Oct 13, 202528149000028149
Sun, Oct 12, 2025374800003748
Sat, Oct 11, 202548212000048212
Fri, Oct 10, 2025234900002349
Thu, Oct 9, 202547102000047102
Wed, Oct 8, 202579187000079187
Tue, Oct 7, 202576159000076159
Mon, Oct 6, 202584281000084281
Sun, Oct 5, 202563206000063206
Sat, Oct 4, 202550137000050137
Fri, Oct 3, 202545229000045229
Thu, Oct 2, 202550133000050133
Wed, Oct 1, 202594210000094210
Tue, Sep 30, 202585220000085220
Mon, Sep 29, 202553155000053155
Sun, Sep 28, 202545128000045128
Sat, Sep 27, 2025519600005196
Fri, Sep 26, 202567133000067133
Thu, Sep 25, 202573193000073193
Wed, Sep 24, 202564116000064116
Tue, Sep 23, 202593193000093193
Mon, Sep 22, 202584229000084229
Sun, Sep 21, 202560114000060114
Sat, Sep 20, 202597186000097186
Fri, Sep 19, 202576162000076162
Thu, Sep 18, 20251235270000123527