Pollen Monitor
Daily pollen insights

Daily pollen overview

Baltimore 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

32

Average

44

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

32

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

Ragweed32

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, 2026Latest324400003244
Mon, Oct 12, 2026489200004892
Sun, Oct 11, 2026405300004053
Sat, Oct 10, 2026497800004978
Fri, Oct 9, 202658109000058109
Thu, Oct 8, 202656114000056114
Wed, Oct 7, 202657113000057113
Tue, Oct 6, 2026415800004158
Mon, Oct 5, 202663155000063155
Sun, Oct 4, 2026364000003640
Sat, Oct 3, 2026458736004281
Fri, Oct 2, 20266516910260055143
Thu, Oct 1, 2026531231535003888
Wed, Sep 30, 2026621412454003887
Tue, Sep 29, 2026451102355002355
Mon, Sep 28, 202642542127002127
Sun, Sep 27, 202649642532002532
Sat, Sep 26, 2026691103555003555
Fri, Sep 25, 2026791563978003978
Thu, Sep 24, 202666903345003345
Wed, Sep 23, 202659742937002937
Tue, Sep 22, 202665883344003344
Mon, Sep 21, 2026601023051003051
Sun, Sep 20, 2026841664283004283
Sat, Sep 19, 2026781243962003962
Fri, Sep 18, 2026109232551160055116
Thu, Sep 17, 2026110296551480055148
Wed, Sep 16, 2026741463773003773
Tue, Sep 15, 2026631263263003263
Mon, Sep 14, 2026881324466004466
Sun, Sep 13, 2026791823991003991
Sat, Sep 12, 2026801424071004071
Fri, Sep 11, 2026801044052004052
Thu, Sep 10, 2026113208561040056104
Wed, Sep 9, 2026861524376004376
Tue, Sep 8, 2026801564078004078
Mon, Sep 7, 202669963548003548
Sun, Sep 6, 2026751163858003858
Sat, Sep 5, 2026781043952003952
Fri, Sep 4, 2026901824591004591
Thu, Sep 3, 2026651133052003561
Wed, Sep 2, 2026631002946003454
Tue, Sep 1, 2026771133652004161
Mon, Aug 31, 202666882634563648
Sun, Aug 30, 202658912235473249
Sat, Aug 29, 20266814626565113779
Fri, Aug 28, 202647621824342634
Thu, Aug 27, 202650882034362748
Wed, Aug 26, 202656782230463042
Tue, Aug 25, 202651832032362845
Mon, Aug 24, 202648721928352639
Sun, Aug 23, 202634551321241930
Sat, Aug 22, 202628401115231522
Fri, Aug 21, 202634941336271951
Thu, Aug 20, 202628341113221519
Wed, Aug 19, 202628391115231521
Tue, Aug 18, 202625441017231424
Mon, Aug 17, 202624281011121315
Sun, Aug 16, 20262539915131421
Sat, Aug 15, 202626311012221417
Fri, Aug 14, 202625461018231425
Thu, Aug 13, 20262427910121315
Wed, Aug 12, 20262331912121317
Tue, Aug 11, 2026172671012914
Mon, Aug 10, 20261726710121014
Sun, Aug 9, 20261726710121014
Sat, Aug 8, 2026172661012914
Fri, Aug 7, 20262156822141230
Thu, Aug 6, 202629751129251641
Wed, Aug 5, 20262378930161342
Tue, Aug 4, 2026192389111013
Mon, Aug 3, 202617275846813
Sun, Aug 2, 202618274658913
Sat, Aug 1, 2026193024813813
Fri, Jul 31, 20262126121114810
Thu, Jul 30, 2026212500131679
Wed, Jul 29, 2026162500101659
Tue, Jul 28, 20261828001218610
Mon, Jul 27, 2026192600121779
Sun, Jul 26, 20262031001320711
Sat, Jul 25, 2026212600131779
Fri, Jul 24, 20262229001419810
Thu, Jul 23, 20262331001520811
Wed, Jul 22, 2026172500111669
Tue, Jul 21, 20262261001439822
Mon, Jul 20, 2026192600121779
Sun, Jul 19, 2026182600111769
Sat, Jul 18, 20262087001356731
Fri, Jul 17, 20262442001627815
Thu, Jul 16, 202629870019561031
Wed, Jul 15, 20262229001419710
Tue, Jul 14, 20262028001318710
Mon, Jul 13, 20262434001522812
Sun, Jul 12, 202627310018201011
Sat, Jul 11, 20262028001318710
Fri, Jul 10, 20262262001440822
Thu, Jul 9, 202629480019311017
Wed, Jul 8, 20261729001119610
Tue, Jul 7, 2026115701320737
Mon, Jul 6, 2026171371116421184
Sun, Jul 5, 20262047268171124
Sat, Jul 4, 20262237369161017
Fri, Jul 3, 202626935201140933
Thu, Jul 2, 202621555131025617
Wed, Jul 1, 202619104632948424
Tue, Jun 30, 2026211526431078531
Mon, Jun 29, 20261456417726313
Sun, Jun 28, 20261119356935
Sat, Jun 27, 202616285881447
Fri, Jun 26, 2026183251091648
Thu, Jun 25, 2026183651191748
Wed, Jun 24, 202621456141021510
Tue, Jun 23, 202613244761136
Mon, Jun 22, 202625547151228611
Sun, Jun 21, 202626487151322611
Sat, Jun 20, 202633519131625813
Fri, Jun 19, 20262740812132169
Thu, Jun 18, 20263419010591787844
Wed, Jun 17, 202626517161324612
Tue, Jun 16, 20264574131922361019
Mon, Jun 15, 202633589181627813
Sun, Jun 14, 202626487151323612
Sat, Jun 13, 2026281038291453621
Fri, Jun 12, 202628848241443617
Thu, Jun 11, 20264287122721421020
Wed, Jun 10, 2026321409361568736
Tue, Jun 9, 202660135173829691428
Mon, Jun 8, 202659125173229611432
Sun, Jun 7, 20263812013431752825
Sat, Jun 6, 202690184387636761632
Fri, Jun 5, 202673137366825461123
Thu, Jun 4, 20266713138712040920
Wed, Jun 3, 20265311234711429513
Tue, Jun 2, 202664147471091228513
Mon, Jun 1, 202697186771511530613
Sun, May 31, 202663141491071022412
Sat, May 30, 2026921177293142159
Fri, May 29, 20268416166128132859
Thu, May 28, 202692160721241529512
Wed, May 27, 202663994978101847
Tue, May 26, 202688134691061424510
Mon, May 25, 2026104175811351626614
Sun, May 24, 20261272321001912035717
Sat, May 23, 2026122222971821934715
Fri, May 22, 20261272291001742036719
Thu, May 21, 2026115252911981946616
Wed, May 20, 2026126233991842042716
Tue, May 19, 20261548071247102163934
Mon, May 18, 202694218731701435618
Sun, May 17, 2026102203801601637613
Sat, May 16, 2026127209991652038713
Fri, May 15, 20261763501413032661922
Thu, May 14, 202624295420286330781024
Wed, May 13, 202618049514543226541019
Tue, May 12, 202617728014023427431017
Mon, May 11, 202622644618139133631333
Sun, May 10, 202619840615835029571125
Sat, May 9, 202621560117553129601125
Fri, May 8, 202622662518455931501126
Thu, May 7, 202625079220970529571230
Wed, May 6, 20262295382044832039516
Tue, May 5, 20261532921382701130311
Mon, May 4, 20262341,2192261,193717213
Sun, May 3, 20262511,8442441,81752729
Sat, May 2, 20263169803159741313
Fri, May 1, 20262868472868470000
Thu, Apr 30, 20262526282526280000
Wed, Apr 29, 20262326192326190000
Tue, Apr 28, 20263037713037710000
Mon, Apr 27, 20263082,0783082,0780000
Sun, Apr 26, 20262384962384960000
Sat, Apr 25, 20264811,0934811,0930000
Fri, Apr 24, 20266732,1926732,1920000
Thu, Apr 23, 20261,0024,3901,0024,3900000
Wed, Apr 22, 20266012,5886012,5880000
Tue, Apr 21, 20263911,7523911,7520000
Mon, Apr 20, 20262445132445130000
Sun, Apr 19, 20265731,7765731,7760000
Sat, Apr 18, 20269005,5829005,5820000
Fri, Apr 17, 20264881,1434881,1430000
Thu, Apr 16, 20265891,6415891,6410000
Wed, Apr 15, 20261,1733,7261,1733,7260000
Tue, Apr 14, 20261,2033,9691,2033,9690000
Mon, Apr 13, 20266532,2786532,2780000
Sun, Apr 12, 20268485,2178485,2170000
Sat, Apr 11, 20267362,7757362,7750000
Fri, Apr 10, 20265962,7495962,7490000
Thu, Apr 9, 20264833,8224833,8220000
Wed, Apr 8, 20261627341627340000
Tue, Apr 7, 20265261,2115261,2110000
Mon, Apr 6, 20265512,4535512,4530000
Sun, Apr 5, 20268173,3218173,3210000
Sat, Apr 4, 20267372,4207372,4200000
Fri, Apr 3, 20263451,6353451,6350000
Thu, Apr 2, 20266174,8326174,8320000
Wed, Apr 1, 20261,0762,7681,0762,7680000
Tue, Mar 31, 20261,0514,1081,0514,1080000
Mon, Mar 30, 20261,3404,1781,3404,1780000
Sun, Mar 29, 20263452,9213452,9210000
Sat, Mar 28, 20261302541302540000
Fri, Mar 27, 20268003,0238003,0230000
Thu, Mar 26, 20266923,9266923,9260000
Wed, Mar 25, 20262561,5382561,5380000
Tue, Mar 24, 20261414531414530000
Mon, Mar 23, 20267043,1217043,1210000
Sun, Mar 22, 20266373,8466373,8460000
Sat, Mar 21, 20265012,5165012,5160000
Fri, Mar 20, 20262709522709520000
Thu, Mar 19, 20261554841554840000
Wed, Mar 18, 202668111681110000
Tue, Mar 17, 20262652,4912652,4910000
Mon, Mar 16, 20267182,7057182,7050000
Sun, Mar 15, 20261997031997030000
Sat, Mar 14, 20262796592796590000
Fri, Mar 13, 20262591,1232591,1230000
Thu, Mar 12, 20262791,4552791,4550000
Wed, Mar 11, 20261813161813160000
Tue, Mar 10, 20261674021674020000
Mon, Mar 9, 20262086482086480000
Sun, Mar 8, 20262837852837850000
Sat, Mar 7, 20261793631793630000
Fri, Mar 6, 20262117832117830000
Thu, Mar 5, 20261953721953720000
Wed, Mar 4, 20262401,3322401,3320000
Tue, Mar 3, 20263079223079220000
Mon, Mar 2, 202699376993760000
Sun, Mar 1, 20262024562024560000
Sat, Feb 28, 20263431,2153431,2150000
Fri, Feb 27, 20261885211885210000
Thu, Feb 26, 20261012821012820000
Wed, Feb 25, 202690265902650000
Tue, Feb 24, 202673153731530000
Mon, Feb 23, 20261214801214800000
Sun, Feb 22, 20261589901589900000
Sat, Feb 21, 20262011,1672011,1670000
Fri, Feb 20, 202682172821720000
Thu, Feb 19, 202690359903590000
Wed, Feb 18, 202699375993750000
Tue, Feb 17, 202684388843880000
Mon, Feb 16, 202673258732580000
Sun, Feb 15, 202681199811990000
Sat, Feb 14, 202659303593030000
Fri, Feb 13, 202672128721280000
Thu, Feb 12, 202671171711710000
Wed, Feb 11, 20261034821034820000
Tue, Feb 10, 20261102741102740000
Mon, Feb 9, 202622106221060000
Sun, Feb 8, 202665349653490000
Sat, Feb 7, 2026156915690000
Fri, Feb 6, 2026236723670000
Thu, Feb 5, 2026195119510000
Wed, Feb 4, 202667583675830000
Tue, Feb 3, 202648269482690000
Mon, Feb 2, 202658273582730000
Sun, Feb 1, 2026174317430000
Sat, Jan 31, 2026103510350000
Fri, Jan 30, 2026183218320000
Thu, Jan 29, 2026279127910000
Wed, Jan 28, 2026188118810000
Tue, Jan 27, 20267177170000
Mon, Jan 26, 2026107910790000
Sun, Jan 25, 20267207200000
Sat, Jan 24, 202674693746930000
Fri, Jan 23, 20264445,1694445,1690000
Thu, Jan 22, 202668486684860000
Wed, Jan 21, 202684809848090000
Tue, Jan 20, 20262304,7812304,7810000
Mon, Jan 19, 2026123212320000
Sun, Jan 18, 202622123221230000
Sat, Jan 17, 202636104361040000
Fri, Jan 16, 202647822478220000
Thu, Jan 15, 202635128351280000
Wed, Jan 14, 20261839671839670000
Tue, Jan 13, 202667282672820000
Mon, Jan 12, 20261441,9751441,9750000
Sun, Jan 11, 202673473734730000
Sat, Jan 10, 2026405040500000
Fri, Jan 9, 202652198521980000
Thu, Jan 8, 202648127481270000
Wed, Jan 7, 2026389938990000
Tue, Jan 6, 202618129181290000
Mon, Jan 5, 202627139271390000
Sun, Jan 4, 2026187518750000
Sat, Jan 3, 202635158351580000
Fri, Jan 2, 2026103610360000
Thu, Jan 1, 20261952,7451952,7450000
Wed, Dec 31, 202513129131290000
Tue, Dec 30, 2025203320330000
Mon, Dec 29, 202565526655260000
Sun, Dec 28, 20258218210000
Sat, Dec 27, 2025155815580000
Fri, Dec 26, 2025259925990000
Thu, Dec 25, 202577473774730000
Wed, Dec 24, 202598720987200000
Tue, Dec 23, 2025126312630000
Mon, Dec 22, 2025102310230000
Sun, Dec 21, 2025105710570000
Sat, Dec 20, 20256136130000
Fri, Dec 19, 202527129271290000
Thu, Dec 18, 2025146214620000
Wed, Dec 17, 2025114511450000
Tue, Dec 16, 20257167160000
Mon, Dec 15, 20254114110000
Sun, Dec 14, 20258258250000
Sat, Dec 13, 20258278270000
Fri, Dec 12, 20255125120000
Thu, Dec 11, 20256116110000
Wed, Dec 10, 20255115110000
Tue, Dec 9, 20256206200000
Mon, Dec 8, 20259199190000
Sun, Dec 7, 20256206180002
Sat, Dec 6, 2025611580023
Fri, Dec 5, 2025614380026
Thu, Dec 4, 2025613250048
Wed, Dec 3, 2025512130049
Tue, Dec 2, 20257230300620
Mon, Dec 1, 20258260000826
Sun, Nov 30, 20255110000511
Sat, Nov 29, 20254110000411
Fri, Nov 28, 20255110000511
Thu, Nov 27, 2025134600001346
Wed, Nov 26, 2025113600001136
Tue, Nov 25, 2025103500001035
Mon, Nov 24, 20258260000826
Sun, Nov 23, 20259240000924
Sat, Nov 22, 20256220000622
Fri, Nov 21, 20256150000615
Thu, Nov 20, 20256110000611
Wed, Nov 19, 20256120000612
Tue, Nov 18, 20259640000964
Mon, Nov 17, 2025164500001645
Sun, Nov 16, 202533109000033109
Sat, Nov 15, 20259260000926
Fri, Nov 14, 2025153800001538
Thu, Nov 13, 2025206200002062
Wed, Nov 12, 2025143900001439
Tue, Nov 11, 2025113800001138
Mon, Nov 10, 2025124100001241
Sun, Nov 9, 20259210000921
Sat, Nov 8, 2025183300001833
Fri, Nov 7, 2025144600001446
Thu, Nov 6, 2025277800002778
Wed, Nov 5, 2025133000001330
Tue, Nov 4, 2025156100001561
Mon, Nov 3, 2025147900001479
Sun, Nov 2, 202531184000031184
Sat, Nov 1, 202532100000032100
Fri, Oct 31, 2025347000003470
Thu, Oct 30, 2025215800002158
Wed, Oct 29, 2025112500001125
Tue, Oct 28, 2025187000001870
Mon, Oct 27, 2025163200001632
Sun, Oct 26, 2025187000001870
Sat, Oct 25, 2025157400001574
Fri, Oct 24, 2025258400002584
Thu, Oct 23, 2025357400003574
Wed, Oct 22, 2025287800002878
Tue, Oct 21, 202533199000033199
Mon, Oct 20, 202542109000042109
Sun, Oct 19, 202535110000035110
Sat, Oct 18, 202539115000039115
Fri, Oct 17, 202545157000045157
Thu, Oct 16, 202533117000033117
Wed, Oct 15, 202547153000047153
Tue, Oct 14, 2025205400002054
Mon, Oct 13, 202525136000025136
Sun, Oct 12, 202555119000055119
Sat, Oct 11, 2025328400003284
Fri, Oct 10, 2025245100002451
Thu, Oct 9, 202549111000049111
Wed, Oct 8, 202551144000051144
Tue, Oct 7, 202578203000078203
Mon, Oct 6, 202556189000056189
Sun, Oct 5, 202553183000053183
Sat, Oct 4, 202548180000048180
Fri, Oct 3, 202536168000036168
Thu, Oct 2, 202547110000047110
Wed, Oct 1, 202585255000085255
Tue, Sep 30, 202579221000079221
Mon, Sep 29, 2025469800004698
Sun, Sep 28, 202555225000055225
Sat, Sep 27, 202561168000061168
Fri, Sep 26, 202560140000060140
Thu, Sep 25, 2025559700005597
Wed, Sep 24, 2025498800004988
Tue, Sep 23, 202565174000065174
Mon, Sep 22, 202564130000064130
Sun, Sep 21, 202561117000061117
Sat, Sep 20, 202599313000099313
Fri, Sep 19, 202564175000064175
Thu, Sep 18, 202576184000076184