Pollen Monitor
Daily pollen insights

Daily pollen overview

Sunnyvale 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/Los_Angeles

Total

47

Average

73

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

47

Average

73

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

Ragweed47

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, 2026Latest477300004773
Mon, Oct 12, 202655115000055115
Sun, Oct 11, 202658105000058105
Sat, Oct 10, 202657111000057111
Fri, Oct 9, 202653106000053106
Thu, Oct 8, 2026506000005060
Wed, Oct 7, 202665100000065100
Tue, Oct 6, 202669126000069126
Mon, Oct 5, 202694139000094139
Sun, Oct 4, 202677119000077119
Sat, Oct 3, 2026731375100068127
Fri, Oct 2, 202651110817004493
Thu, Oct 1, 20266215918450045114
Wed, Sep 30, 2026691312650004381
Tue, Sep 29, 2026501322566002566
Mon, Sep 28, 2026651383369003269
Sun, Sep 27, 2026601323066003066
Sat, Sep 26, 2026731623681003681
Fri, Sep 25, 2026761663883003883
Thu, Sep 24, 2026781103955003955
Wed, Sep 23, 2026661163358003358
Tue, Sep 22, 2026731203760003760
Mon, Sep 21, 2026711363568003568
Sun, Sep 20, 2026711323666003666
Sat, Sep 19, 2026681323466003466
Fri, Sep 18, 2026731283764003764
Thu, Sep 17, 2026851484374004374
Wed, Sep 16, 2026671223461003461
Tue, Sep 15, 2026711323666003666
Mon, Sep 14, 2026611363168003168
Sun, Sep 13, 2026841504275004275
Sat, Sep 12, 2026771563978003978
Fri, Sep 11, 2026731343667003667
Thu, Sep 10, 2026811164158004158
Wed, Sep 9, 202675983749003749
Tue, Sep 8, 202665983349003349
Mon, Sep 7, 2026711543677003677
Sun, Sep 6, 2026791504075004075
Sat, Sep 5, 2026781563978003978
Fri, Sep 4, 2026751383769003769
Thu, Sep 3, 2026691133252003761
Wed, Sep 2, 2026561172654003063
Tue, Sep 1, 2026671133152003661
Mon, Aug 31, 2026551202146493065
Sun, Aug 30, 20266514525565113578
Sat, Aug 29, 20265814022544103276
Fri, Aug 28, 202659912335473249
Thu, Aug 27, 202654672126452936
Wed, Aug 26, 202658912335473249
Tue, Aug 25, 202652852033462846
Mon, Aug 24, 202652792030362843
Sun, Aug 23, 202633571322241831
Sat, Aug 22, 202637601423342033
Fri, Aug 21, 202636701427352038
Thu, Aug 20, 202638471518332126
Wed, Aug 19, 202632441217231824
Tue, Aug 18, 202635441317232024
Mon, Aug 17, 202638441417232124
Sun, Aug 16, 202637441417332124
Sat, Aug 15, 202634441317231924
Fri, Aug 14, 202636471418232026
Thu, Aug 13, 202635571322241931
Wed, Aug 12, 202627391015231521
Tue, Aug 11, 20262332912121318
Mon, Aug 10, 20262126810121214
Sun, Aug 9, 20262026810121114
Sat, Aug 8, 20262126810121214
Fri, Aug 7, 20262226910121214
Thu, Aug 6, 20262127810121215
Wed, Aug 5, 2026182379111013
Tue, Aug 4, 20261728711121015
Mon, Aug 3, 202620276846913
Sun, Aug 2, 202619274668913
Sat, Aug 1, 2026202523911911
Fri, Jul 31, 20262227121215910
Thu, Jul 30, 2026202300131578
Wed, Jul 29, 2026192500131679
Tue, Jul 28, 2026202600131779
Mon, Jul 27, 2026192300121578
Sun, Jul 26, 2026192500121679
Sat, Jul 25, 2026202500131679
Fri, Jul 24, 20262428001518810
Thu, Jul 23, 2026212600141789
Wed, Jul 22, 2026212600141779
Tue, Jul 21, 2026202300131578
Mon, Jul 20, 2026202300131578
Sun, Jul 19, 2026192500121679
Sat, Jul 18, 2026192500131679
Fri, Jul 17, 20262231001420811
Thu, Jul 16, 20262231001420811
Wed, Jul 15, 202629350019231012
Tue, Jul 14, 20262128001318710
Mon, Jul 13, 20262531001620911
Sun, Jul 12, 202635400023261314
Sat, Jul 11, 20262328001518810
Fri, Jul 10, 20262328001518810
Thu, Jul 9, 202628390018251014
Wed, Jul 8, 20262335001423919
Tue, Jul 7, 20261744016151128
Mon, Jul 6, 20261734136101121
Sun, Jul 5, 202625592710211331
Sat, Jul 4, 202624604910231128
Fri, Jul 3, 202623734111134928
Thu, Jul 2, 20262140591019712
Wed, Jul 1, 202624757191237619
Tue, Jun 30, 20263821411661898950
Mon, Jun 29, 2026321029311547724
Sun, Jun 28, 202631919281542721
Sat, Jun 27, 202628488141425611
Fri, Jun 26, 202630599171530715
Thu, Jun 25, 202626648201329615
Wed, Jun 24, 202625457141221611
Tue, Jun 23, 202626497151323611
Mon, Jun 22, 202624487151222611
Sun, Jun 21, 2026389711271850920
Sat, Jun 20, 20264286122420441018
Fri, Jun 19, 2026357710201737820
Thu, Jun 18, 202627558151327614
Wed, Jun 17, 202627588181327613
Tue, Jun 16, 202626627191329614
Mon, Jun 15, 202622466141121511
Sun, Jun 14, 202623436131122510
Sat, Jun 13, 202646100132622481126
Fri, Jun 12, 2026388911271841921
Thu, Jun 11, 202641120123720551028
Wed, Jun 10, 2026346310191632815
Tue, Jun 9, 202655124163527641325
Mon, Jun 8, 202651141143625691236
Sun, Jun 7, 202665219237829941447
Sat, Jun 6, 202617366477360662103094
Fri, Jun 5, 202674141377226511119
Thu, Jun 4, 202670126406721391020
Wed, Jun 3, 20266312741811633613
Tue, Jun 2, 20266912050891322511
Mon, Jun 1, 202699177781371526614
Sun, May 31, 202666166521261026414
Sat, May 30, 20268812970102142358
Fri, May 29, 2026100286792321535619
Thu, May 28, 2026104274822221634618
Wed, May 27, 202693224731841434513
Tue, May 26, 202697141761071522612
Mon, May 25, 202688146691111423512
Sun, May 24, 202683166651281325513
Sat, May 23, 202675166591261226414
Fri, May 22, 202680192631461230516
Thu, May 21, 20261483261182682239820
Wed, May 20, 20261373101092542137819
Tue, May 19, 20261312381031912036816
Mon, May 18, 20261452511131972346915
Sun, May 17, 20261463261162682240820
Sat, May 16, 20261292531011922040721
Fri, May 15, 202697258762031547511
Thu, May 14, 20261524111213292358824
Wed, May 13, 20261272541002152028713
Tue, May 12, 20261271961001592032816
Mon, May 11, 202619942415935729441123
Sun, May 10, 202622852318545832571127
Sat, May 9, 20261423901122952262833
Fri, May 8, 202625851021044636591226
Thu, May 7, 20265131,3064491,19045772041
Wed, May 6, 20262173621923302037515
Tue, May 5, 20261959931799511323421
Mon, May 4, 202615821715120861516
Sun, May 3, 202617858117256641725
Sat, May 2, 20263901,7443901,7440202
Fri, May 1, 20263566803566800000
Thu, Apr 30, 20262485632485630000
Wed, Apr 29, 20262167272167270000
Tue, Apr 28, 20261762921762920000
Mon, Apr 27, 20262204242204240000
Sun, Apr 26, 20262087582087580000
Sat, Apr 25, 20263037953037950000
Fri, Apr 24, 20264612,7914612,7910000
Thu, Apr 23, 20264342,2154342,2150000
Wed, Apr 22, 20262937432937430000
Tue, Apr 21, 20262906202906200000
Mon, Apr 20, 20264052,0264052,0260000
Sun, Apr 19, 20264451,6484451,6480000
Sat, Apr 18, 20264171,4154171,4150000
Fri, Apr 17, 20262651,3612651,3610000
Thu, Apr 16, 20265593,8125593,8120000
Wed, Apr 15, 20265512,0505512,0500000
Tue, Apr 14, 20265581,8385581,8380000
Mon, Apr 13, 20266091,6806091,6800000
Sun, Apr 12, 20263332,4443332,4440000
Sat, Apr 11, 20263291,3803291,3800000
Fri, Apr 10, 20264942,0734942,0730000
Thu, Apr 9, 20269266,7149266,7140000
Wed, Apr 8, 20266902,2776902,2770000
Tue, Apr 7, 20265593,3585593,3580000
Mon, Apr 6, 20269865,2049865,2040000
Sun, Apr 5, 20268403,4948403,4940000
Sat, Apr 4, 20265712,6065712,6060000
Fri, Apr 3, 20264871,9104871,9100000
Thu, Apr 2, 20264691,5084691,5080000
Wed, Apr 1, 20267994,0337994,0330000
Tue, Mar 31, 20261,4314,1321,4314,1320000
Mon, Mar 30, 20261,2654,1631,2654,1630000
Sun, Mar 29, 20267892,0987892,0980000
Sat, Mar 28, 20266962,3846962,3840000
Fri, Mar 27, 20266672,1316672,1310000
Thu, Mar 26, 20266673,6956673,6950000
Wed, Mar 25, 20268224,3348224,3340000
Tue, Mar 24, 20264944,3214944,3210000
Mon, Mar 23, 20267353,9267353,9260000
Sun, Mar 22, 20267142,1577142,1570000
Sat, Mar 21, 20269696,8819696,8810000
Fri, Mar 20, 20267842,1607842,1600000
Thu, Mar 19, 20263629283629280000
Wed, Mar 18, 20263551,5763551,5760000
Tue, Mar 17, 20263048003048000000
Mon, Mar 16, 20263231,1393231,1390000
Sun, Mar 15, 20263311,0813311,0810000
Sat, Mar 14, 20263539363539360000
Fri, Mar 13, 20263941,0933941,0930000
Thu, Mar 12, 20263431,7623431,7620000
Wed, Mar 11, 20262891,2282891,2280000
Tue, Mar 10, 20263498603498600000
Mon, Mar 9, 20262938812938810000
Sun, Mar 8, 20262658112658110000
Sat, Mar 7, 20261935231935230000
Fri, Mar 6, 20262505032505030000
Thu, Mar 5, 20262876812876810000
Wed, Mar 4, 20262639152639150000
Tue, Mar 3, 20262651,0132651,0130000
Mon, Mar 2, 20263661,5613661,5610000
Sun, Mar 1, 20262587222587220000
Sat, Feb 28, 20262276642276640000
Fri, Feb 27, 20262326872326870000
Thu, Feb 26, 20265452,1595452,1590000
Wed, Feb 25, 20263761,3623761,3620000
Tue, Feb 24, 20262371,1652371,1650000
Mon, Feb 23, 20261633431633430000
Sun, Feb 22, 20262795492795490000
Sat, Feb 21, 20262101,0362101,0360000
Fri, Feb 20, 20261906781906780000
Thu, Feb 19, 20262278432278430000
Wed, Feb 18, 20261383011383010000
Tue, Feb 17, 20261482451482450000
Mon, Feb 16, 20261884931884930000
Sun, Feb 15, 20261642671642670000
Sat, Feb 14, 20261433831433830000
Fri, Feb 13, 20262537952537950000
Thu, Feb 12, 20261522731522730000
Wed, Feb 11, 20261813471813470000
Tue, Feb 10, 20261144501144500000
Mon, Feb 9, 202683179831790000
Sun, Feb 8, 20261013751013750000
Sat, Feb 7, 202665139651390000
Fri, Feb 6, 202692263922630000
Thu, Feb 5, 202665113651130000
Wed, Feb 4, 202659177591770000
Tue, Feb 3, 202666145661450000
Mon, Feb 2, 20261253581253580000
Sun, Feb 1, 20261001731001730000
Sat, Jan 31, 202672158721580000
Fri, Jan 30, 2026469646960000
Thu, Jan 29, 2026548354830000
Wed, Jan 28, 20261043061043060000
Tue, Jan 27, 202681182811820000
Mon, Jan 26, 2026539653960000
Sun, Jan 25, 202648185481850000
Sat, Jan 24, 202687188871880000
Fri, Jan 23, 202656151561510000
Thu, Jan 22, 202670114701140000
Wed, Jan 21, 202672219722190000
Tue, Jan 20, 202689268892680000
Mon, Jan 19, 202654100541000000
Sun, Jan 18, 202652110521100000
Sat, Jan 17, 202656148561480000
Fri, Jan 16, 2026417841780000
Thu, Jan 15, 202641166411660000
Wed, Jan 14, 202678161781610000
Tue, Jan 13, 2026338333830000
Mon, Jan 12, 202684334843340000
Sun, Jan 11, 20261043131043130000
Sat, Jan 10, 202647219472190000
Fri, Jan 9, 202645336453360000
Thu, Jan 8, 202678197781970000
Wed, Jan 7, 202674197741970000
Tue, Jan 6, 202669715697150000
Mon, Jan 5, 202645115451150000
Sun, Jan 4, 202635129351290000
Sat, Jan 3, 202659342593420000
Fri, Jan 2, 2026316831680000
Thu, Jan 1, 202630114301140000
Wed, Dec 31, 2025215421540000
Tue, Dec 30, 20251041,5361041,5360000
Mon, Dec 29, 202547100471000000
Sun, Dec 28, 2025328632860000
Sat, Dec 27, 2025176817680000
Fri, Dec 26, 202557130571300000
Thu, Dec 25, 202566438664380000
Wed, Dec 24, 202594284942840000
Tue, Dec 23, 202546477464770000
Mon, Dec 22, 202564140641400000
Sun, Dec 21, 202539111391110000
Sat, Dec 20, 2025356635660000
Fri, Dec 19, 202531170311700000
Thu, Dec 18, 2025184318430000
Wed, Dec 17, 2025357935790000
Tue, Dec 16, 2025236723670000
Mon, Dec 15, 20255105100000
Sun, Dec 14, 20257197190000
Sat, Dec 13, 2025104810480000
Fri, Dec 12, 20256136130000
Thu, Dec 11, 20258228220000
Wed, Dec 10, 20257137130000
Tue, Dec 9, 20259259250000
Mon, Dec 8, 20257207200000
Sun, Dec 7, 20255205190002
Sat, Dec 6, 202583662600210
Fri, Dec 5, 202572541400311
Thu, Dec 4, 20258203800412
Wed, Dec 3, 2025104731200835
Tue, Dec 2, 20255130100512
Mon, Dec 1, 20256210000621
Sun, Nov 30, 20256240000624
Sat, Nov 29, 20258380000838
Fri, Nov 28, 20257350000735
Thu, Nov 27, 2025175600001756
Wed, Nov 26, 20259280000928
Tue, Nov 25, 2025143900001439
Mon, Nov 24, 20258370000837
Sun, Nov 23, 20256170000617
Sat, Nov 22, 20258390000839
Fri, Nov 21, 20258280000828
Thu, Nov 20, 20257170000717
Wed, Nov 19, 20256170000617
Tue, Nov 18, 20256180000618
Mon, Nov 17, 20259170000917
Sun, Nov 16, 20258200000820
Sat, Nov 15, 2025129700001297
Fri, Nov 14, 20259220000922
Thu, Nov 13, 2025184000001840
Wed, Nov 12, 2025218900002189
Tue, Nov 11, 2025112000001120
Mon, Nov 10, 2025112100001121
Sun, Nov 9, 2025102300001023
Sat, Nov 8, 2025132700001327
Fri, Nov 7, 2025176700001767
Thu, Nov 6, 2025123600001236
Wed, Nov 5, 2025132600001326
Tue, Nov 4, 2025102200001022
Mon, Nov 3, 2025145300001453
Sun, Nov 2, 2025132900001329
Sat, Nov 1, 202526175000026175
Fri, Oct 31, 202524231000024231
Thu, Oct 30, 2025245900002459
Wed, Oct 29, 2025279800002798
Tue, Oct 28, 2025184900001849
Mon, Oct 27, 2025243700002437
Sun, Oct 26, 2025235400002354
Sat, Oct 25, 2025184200001842
Fri, Oct 24, 2025249000002490
Thu, Oct 23, 2025224500002245
Wed, Oct 22, 2025266300002663
Tue, Oct 21, 2025194700001947
Mon, Oct 20, 2025288000002880
Sun, Oct 19, 2025174200001742
Sat, Oct 18, 2025266800002668
Fri, Oct 17, 2025235000002350
Thu, Oct 16, 202537179000037179
Wed, Oct 15, 2025336000003360
Tue, Oct 14, 2025183700001837
Mon, Oct 13, 2025274300002743
Sun, Oct 12, 202536101000036101
Sat, Oct 11, 202549213000049213
Fri, Oct 10, 2025234900002349
Thu, Oct 9, 202541101000041101
Wed, Oct 8, 202543143000043143
Tue, Oct 7, 202532125000032125
Mon, Oct 6, 202549170000049170
Sun, Oct 5, 202558157000058157
Sat, Oct 4, 202546154000046154
Fri, Oct 3, 2025268500002685
Thu, Oct 2, 2025419600004196
Wed, Oct 1, 202547153000047153
Tue, Sep 30, 2025419300004193
Mon, Sep 29, 202548202000048202
Sun, Sep 28, 202547207000047207
Sat, Sep 27, 202550127000050127
Fri, Sep 26, 202547129000047129
Thu, Sep 25, 202564160000064160
Wed, Sep 24, 202564125000064125
Tue, Sep 23, 202557135000057135
Mon, Sep 22, 202568395000068395
Sun, Sep 21, 202530124000030124
Sat, Sep 20, 2025378600003786
Fri, Sep 19, 202543131000043131