Pollen Monitor
Daily pollen insights

Daily pollen overview

Modesto 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

65

Average

126

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

High

65

Average

126

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

Ragweed65

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, 2026Latest65126000065126
Mon, Oct 12, 202656108000056108
Sun, Oct 11, 202677143000077143
Sat, Oct 10, 2026509600005096
Fri, Oct 9, 2026596900005969
Thu, Oct 8, 202668110000068110
Wed, Oct 7, 202671107000071107
Tue, Oct 6, 202674125000074125
Mon, Oct 5, 202698159000098159
Sun, Oct 4, 2026589400005894
Sat, Oct 3, 202673128590068119
Fri, Oct 2, 20266387913005374
Thu, Oct 1, 2026651171833004784
Wed, Sep 30, 2026711502758004492
Tue, Sep 29, 2026921904695004695
Mon, Sep 28, 2026881924496004496
Sun, Sep 27, 2026611263063003063
Sat, Sep 26, 2026671263363003363
Fri, Sep 25, 2026124264621320062132
Thu, Sep 24, 2026641143257003257
Wed, Sep 23, 2026751263863003863
Tue, Sep 22, 2026711383569003569
Mon, Sep 21, 2026831664283004283
Sun, Sep 20, 2026741683784003784
Sat, Sep 19, 2026691203560003560
Fri, Sep 18, 2026931684784004784
Thu, Sep 17, 2026981644982004982
Wed, Sep 16, 2026631383169003169
Tue, Sep 15, 202657902845002845
Mon, Sep 14, 2026811544077004077
Sun, Sep 13, 20261111985699005699
Sat, Sep 12, 2026761363868003868
Fri, Sep 11, 202664943247003247
Thu, Sep 10, 2026681083454003454
Wed, Sep 9, 2026821424171004171
Tue, Sep 8, 2026621063153003153
Mon, Sep 7, 2026781323966003966
Sun, Sep 6, 2026781503975003975
Sat, Sep 5, 2026811424171004171
Fri, Sep 4, 2026841724286004286
Thu, Sep 3, 2026781513670004281
Wed, Sep 2, 2026701543271003883
Tue, Sep 1, 2026771673577004190
Mon, Aug 31, 2026611252448493368
Sun, Aug 30, 20266113524524103373
Sat, Aug 29, 20266213024504103470
Fri, Aug 28, 202655852133463046
Thu, Aug 27, 202651912035472849
Wed, Aug 26, 202651962037372852
Tue, Aug 25, 2026621112443483460
Mon, Aug 24, 2026491011939372755
Sun, Aug 23, 202646781830362542
Sat, Aug 22, 202646721828352539
Fri, Aug 21, 202649791930362743
Thu, Aug 20, 202639541521342129
Wed, Aug 19, 202638551521342130
Tue, Aug 18, 202640551621342230
Mon, Aug 17, 202639591523342232
Sun, Aug 16, 202640551621342230
Sat, Aug 15, 202637411416232022
Fri, Aug 14, 202636521420242028
Thu, Aug 13, 202636461418232025
Wed, Aug 12, 202632481319231826
Tue, Aug 11, 202629361114221620
Mon, Aug 10, 20262229911121216
Sun, Aug 9, 202624361014121320
Sat, Aug 8, 20262429911121316
Fri, Aug 7, 202625291011221416
Thu, Aug 6, 202625291011221416
Wed, Aug 5, 20262128811121115
Tue, Aug 4, 20262027810121115
Mon, Aug 3, 2026212768561013
Sun, Aug 2, 2026212756681013
Sat, Aug 1, 202623323410141014
Fri, Jul 31, 202625361214201014
Thu, Jul 30, 20262331001520811
Wed, Jul 29, 20262331001520811
Tue, Jul 28, 20262431001620911
Mon, Jul 27, 20262532001621911
Sun, Jul 26, 20262535001623912
Sat, Jul 25, 20262532001621911
Fri, Jul 24, 202628310018201011
Thu, Jul 23, 20262429001619910
Wed, Jul 22, 20262328001518810
Tue, Jul 21, 20262534001622912
Mon, Jul 20, 20262429001519810
Sun, Jul 19, 20262431001520811
Sat, Jul 18, 20262529001619910
Fri, Jul 17, 20262634001722912
Thu, Jul 16, 202628500018321018
Wed, Jul 15, 202628540018351019
Tue, Jul 14, 20262228001418810
Mon, Jul 13, 202629370019241013
Sun, Jul 12, 202648840031541730
Sat, Jul 11, 202632420021271115
Fri, Jul 10, 202629370018241013
Thu, Jul 9, 202636540023351319
Wed, Jul 8, 202630390019251118
Tue, Jul 7, 20262159017201438
Mon, Jul 6, 20261868156211142
Sun, Jul 5, 20263313531413551766
Sat, Jul 4, 2026256541010251130
Fri, Jul 3, 202626525101224920
Thu, Jul 2, 202630767171436923
Wed, Jul 1, 202628648181433613
Tue, Jun 30, 202650152144324781231
Mon, Jun 29, 202644114133521531026
Sun, Jun 28, 2026367210201737815
Sat, Jun 27, 2026346510201630815
Fri, Jun 26, 20264589132322431023
Thu, Jun 25, 2026347210201737815
Wed, Jun 24, 202644174124521841045
Tue, Jun 23, 202631439131522711
Mon, Jun 22, 2026377911241837818
Sun, Jun 21, 202628488151422711
Sat, Jun 20, 202631699181533718
Fri, Jun 19, 202628438121421611
Thu, Jun 18, 2026331729441684844
Wed, Jun 17, 20263510210311747824
Tue, Jun 16, 202627548171325612
Mon, Jun 15, 202648108142823521128
Sun, Jun 14, 20264577132222371020
Sat, Jun 13, 202661203175230991452
Fri, Jun 12, 202644124123221601032
Thu, Jun 11, 202657144164428671333
Wed, Jun 10, 20266298183030451424
Tue, Jun 9, 202679166235138761839
Mon, Jun 8, 202666151193932731539
Sun, Jun 7, 202670173246231741537
Sat, Jun 6, 2026106222459242911943
Fri, Jun 5, 202681153407628511326
Thu, Jun 4, 202684184489825571129
Wed, Jun 3, 202691216591432352921
Tue, Jun 2, 2026110285812202049929
Mon, Jun 1, 202693194731511429615
Sun, May 31, 2026103442823731545624
Sat, May 30, 2026108147851161727712
Fri, May 29, 2026102184801401629615
Thu, May 28, 20261343991073342043722
Wed, May 27, 2026108266852021742622
Tue, May 26, 2026113265892221837614
Mon, May 25, 2026107183841511730612
Sun, May 24, 2026113226891801840617
Sat, May 23, 202691220721731440515
Fri, May 22, 2026107204841611737614
Thu, May 21, 2026109231861941730615
Wed, May 20, 2026109299862301746623
Tue, May 19, 20267418759151123148
Mon, May 18, 202686190681501434514
Sun, May 17, 202616446413140824521023
Sat, May 16, 20261412671112262139821
Fri, May 15, 20261333541063032047723
Thu, May 14, 20261403691133142150721
Wed, May 13, 202624093819584833771230
Tue, May 12, 20262401,2561981,14831921124
Mon, May 11, 20262751,7202311,57331961351
Sun, May 10, 202624562119855034741439
Sat, May 9, 202618160814752525541029
Fri, May 8, 202622362218253829551129
Thu, May 7, 202623655219849627481125
Wed, May 6, 20262615012334622237615
Tue, May 5, 20263075612815201932721
Mon, May 4, 202629863728762282029
Sun, May 3, 2026323756315739617210
Sat, May 2, 20262918992908991515
Fri, May 1, 20262487172487170000
Thu, Apr 30, 20263332,1333332,1330000
Wed, Apr 29, 20262277572277570000
Tue, Apr 28, 20262879202879200000
Mon, Apr 27, 20263351,3063351,3060000
Sun, Apr 26, 20263421,0003421,0000000
Sat, Apr 25, 20264791,5684791,5680000
Fri, Apr 24, 20264202,7984202,7980000
Thu, Apr 23, 20264991,4964991,4960000
Wed, Apr 22, 20263451,0573451,0570000
Tue, Apr 21, 20264552,4504552,4500000
Mon, Apr 20, 20263721,7003721,7000000
Sun, Apr 19, 20264251,8754251,8750000
Sat, Apr 18, 20264612,3194612,3190000
Fri, Apr 17, 20263031,1893031,1890000
Thu, Apr 16, 20264921,4904921,4900000
Wed, Apr 15, 20268724,0788724,0780000
Tue, Apr 14, 20268494,3008494,3000000
Mon, Apr 13, 20264781,5944781,5940000
Sun, Apr 12, 20261,0176,7271,0176,7270000
Sat, Apr 11, 20269464,1929464,1920000
Fri, Apr 10, 20267302,5857302,5850000
Thu, Apr 9, 20261,2455,2751,2455,2750000
Wed, Apr 8, 20261,1613,4351,1613,4350000
Tue, Apr 7, 20261,0383,5161,0383,5160000
Mon, Apr 6, 20261,1874,7571,1874,7570000
Sun, Apr 5, 20268143,8668143,8660000
Sat, Apr 4, 20264922,2334922,2330000
Fri, Apr 3, 20267573,1077573,1070000
Thu, Apr 2, 20269185,0879185,0870000
Wed, Apr 1, 20261,1436,2331,1436,2330000
Tue, Mar 31, 20261,5954,8171,5954,8170000
Mon, Mar 30, 20268483,8518483,8510000
Sun, Mar 29, 20261,0673,9571,0673,9570000
Sat, Mar 28, 20266861,9836861,9830000
Fri, Mar 27, 20261,0684,3681,0684,3680000
Thu, Mar 26, 20261,2273,8911,2273,8910000
Wed, Mar 25, 20267403,2927403,2920000
Tue, Mar 24, 20266172,4956172,4950000
Mon, Mar 23, 20265391,9805391,9800000
Sun, Mar 22, 20261,1244,0731,1244,0730000
Sat, Mar 21, 20268344,6278344,6270000
Fri, Mar 20, 20268532,9218532,9210000
Thu, Mar 19, 20263237803237800000
Wed, Mar 18, 20262891,4392891,4390000
Tue, Mar 17, 20264353,9174353,9170000
Mon, Mar 16, 20265032,0035032,0030000
Sun, Mar 15, 20264081,0424081,0420000
Sat, Mar 14, 20262326232326230000
Fri, Mar 13, 20263321,9233321,9230000
Thu, Mar 12, 20263228533228530000
Wed, Mar 11, 20262758622758620000
Tue, Mar 10, 20263451,4413451,4410000
Mon, Mar 9, 20261796791796790000
Sun, Mar 8, 20262626432626430000
Sat, Mar 7, 20262538952538950000
Fri, Mar 6, 20263101,5083101,5080000
Thu, Mar 5, 20262949252949250000
Wed, Mar 4, 20262477262477260000
Tue, Mar 3, 20263038043038040000
Mon, Mar 2, 20262881,0502881,0500000
Sun, Mar 1, 20262575232575230000
Sat, Feb 28, 20262288592288590000
Fri, Feb 27, 20262589902589900000
Thu, Feb 26, 20267622,3647622,3640000
Wed, Feb 25, 20264681,7024681,7020000
Tue, Feb 24, 20262247982247980000
Mon, Feb 23, 20261613741613740000
Sun, Feb 22, 20262155552155550000
Sat, Feb 21, 20261951,0211951,0210000
Fri, Feb 20, 20261704031704030000
Thu, Feb 19, 20261575461575460000
Wed, Feb 18, 20261679011679010000
Tue, Feb 17, 20261216561216560000
Mon, Feb 16, 20262336902336900000
Sun, Feb 15, 20261723821723820000
Sat, Feb 14, 20261243481243480000
Fri, Feb 13, 20262228202228200000
Thu, Feb 12, 20261273471273470000
Wed, Feb 11, 20262504612504610000
Tue, Feb 10, 20261132361132360000
Mon, Feb 9, 20261573821573820000
Sun, Feb 8, 202697227972270000
Sat, Feb 7, 202684121841210000
Fri, Feb 6, 20261051791051790000
Thu, Feb 5, 202678118781180000
Wed, Feb 4, 20261192581192580000
Tue, Feb 3, 202698156981560000
Mon, Feb 2, 20261314811314810000
Sun, Feb 1, 202698412984120000
Sat, Jan 31, 202664190641900000
Fri, Jan 30, 202644141441410000
Thu, Jan 29, 202660163601630000
Wed, Jan 28, 202681252812520000
Tue, Jan 27, 202655149551490000
Mon, Jan 26, 202640100401000000
Sun, Jan 25, 202654151541510000
Sat, Jan 24, 202649196491960000
Fri, Jan 23, 202646207462070000
Thu, Jan 22, 202648100481000000
Wed, Jan 21, 202652306523060000
Tue, Jan 20, 20261031791031790000
Mon, Jan 19, 202654156541560000
Sun, Jan 18, 202653148531480000
Sat, Jan 17, 202653139531390000
Fri, Jan 16, 202655106551060000
Thu, Jan 15, 202685642856420000
Wed, Jan 14, 202688246882460000
Tue, Jan 13, 202650265502650000
Mon, Jan 12, 202668210682100000
Sun, Jan 11, 20262286322286320000
Sat, Jan 10, 2026346134610000
Fri, Jan 9, 202648130481300000
Thu, Jan 8, 202659256592560000
Wed, Jan 7, 202662272622720000
Tue, Jan 6, 202669345693450000
Mon, Jan 5, 202649106491060000
Sun, Jan 4, 202629186291860000
Sat, Jan 3, 202645187451870000
Fri, Jan 2, 202628144281440000
Thu, Jan 1, 2026193319330000
Wed, Dec 31, 2025122612260000
Tue, Dec 30, 2025225022500000
Mon, Dec 29, 202537201372010000
Sun, Dec 28, 2025237323730000
Sat, Dec 27, 202518136181360000
Fri, Dec 26, 202555199551990000
Thu, Dec 25, 202547252472520000
Wed, Dec 24, 202578243782430000
Tue, Dec 23, 202538299382990000
Mon, Dec 22, 20251121,2391121,2390000
Sun, Dec 21, 202538109381090000
Sat, Dec 20, 2025247024700000
Fri, Dec 19, 202569678696780000
Thu, Dec 18, 2025163116310000
Wed, Dec 17, 202531175311750000
Tue, Dec 16, 2025134713470000
Mon, Dec 15, 20255105100000
Sun, Dec 14, 20256136130000
Sat, Dec 13, 2025174317430000
Fri, Dec 12, 20259349340000
Thu, Dec 11, 20257167160000
Wed, Dec 10, 20256126120000
Tue, Dec 9, 20256136130000
Mon, Dec 8, 20257167160000
Sun, Dec 7, 202549380001
Sat, Dec 6, 20255134100013
Fri, Dec 5, 202593552000415
Thu, Dec 4, 20256183800410
Wed, Dec 3, 20255181500413
Tue, Dec 2, 202549000049
Mon, Dec 1, 20255340000534
Sun, Nov 30, 20257170000717
Sat, Nov 29, 20255150000515
Fri, Nov 28, 20256190000619
Thu, Nov 27, 202510104000010104
Wed, Nov 26, 20255140000514
Tue, Nov 25, 20256130000613
Mon, Nov 24, 20256160000616
Sun, Nov 23, 20255180000518
Sat, Nov 22, 20257230000723
Fri, Nov 21, 20256130000613
Thu, Nov 20, 20257150000715
Wed, Nov 19, 20259200000920
Tue, Nov 18, 20255180000518
Mon, Nov 17, 20257200000720
Sun, Nov 16, 20254130000413
Sat, Nov 15, 20259230000923
Fri, Nov 14, 20258250000825
Thu, Nov 13, 2025245400002454
Wed, Nov 12, 2025103000001030
Tue, Nov 11, 2025132600001326
Mon, Nov 10, 2025122500001225
Sun, Nov 9, 20259180000918
Sat, Nov 8, 2025142500001425
Fri, Nov 7, 2025205500002055
Thu, Nov 6, 2025122700001227
Wed, Nov 5, 2025173400001734
Tue, Nov 4, 2025163300001633
Mon, Nov 3, 2025205700002057
Sun, Nov 2, 2025174800001748
Sat, Nov 1, 202526117000026117
Fri, Oct 31, 202531103000031103
Thu, Oct 30, 2025205200002052
Wed, Oct 29, 2025197000001970
Tue, Oct 28, 2025228000002280
Mon, Oct 27, 2025216700002167
Sun, Oct 26, 202530118000030118
Sat, Oct 25, 2025245400002454
Fri, Oct 24, 2025268500002685
Thu, Oct 23, 2025306900003069
Wed, Oct 22, 2025406300004063
Tue, Oct 21, 2025214300002143
Mon, Oct 20, 202549130000049130
Sun, Oct 19, 202530123000030123
Sat, Oct 18, 2025419700004197
Fri, Oct 17, 202537146000037146
Thu, Oct 16, 202536134000036134
Wed, Oct 15, 2025255300002553
Tue, Oct 14, 202526111000026111
Mon, Oct 13, 202548157000048157
Sun, Oct 12, 202559131000059131
Sat, Oct 11, 202573280000073280
Fri, Oct 10, 202567182000067182
Thu, Oct 9, 202552181000052181
Wed, Oct 8, 202570198000070198
Tue, Oct 7, 202566168000066168
Mon, Oct 6, 202589261000089261
Sun, Oct 5, 202576326000076326
Sat, Oct 4, 202567177000067177
Fri, Oct 3, 202561235000061235
Thu, Oct 2, 202558137000058137
Wed, Oct 1, 202571239000071239
Tue, Sep 30, 202585219000085219
Mon, Sep 29, 202576282000076282
Sun, Sep 28, 202581238000081238
Sat, Sep 27, 202577232000077232
Fri, Sep 26, 202586262000086262
Thu, Sep 25, 20251042630000104263
Wed, Sep 24, 202574173000074173
Tue, Sep 23, 202577170000077170
Mon, Sep 22, 20251294180000129418
Sun, Sep 21, 20251042790000104279
Sat, Sep 20, 20251253590000125359
Fri, Sep 19, 202595181000095181