Pollen Monitor
Daily pollen insights

Daily pollen overview

San Bernardino 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

34

Average

40

Peak

Tree

None

0

Average

0

Peak

Grass

None

0

Average

0

Peak

Ragweed

Moderate

34

Average

40

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 390 captured days. Scroll sideways on smaller screens.

Complete daily pollen averages and peaks, newest first
DateTotalTreeGrassRagweed
AveragePeakAveragePeakAveragePeakAveragePeak
Tue, Oct 13, 2026Latest344000003440
Mon, Oct 12, 2026444900004449
Sun, Oct 11, 202651103000051103
Sat, Oct 10, 2026486900004869
Fri, Oct 9, 2026606900006069
Thu, Oct 8, 2026529400005294
Wed, Oct 7, 202662105000062105
Tue, Oct 6, 202683112000083112
Mon, Oct 5, 202681126000081126
Sun, Oct 4, 2026569400005694
Sat, Oct 3, 202674108580069100
Fri, Oct 2, 202663105916005489
Thu, Oct 1, 20267215520440051111
Wed, Sep 30, 20268616733640053103
Tue, Sep 29, 202666202331010033101
Mon, Sep 28, 202670923546003546
Sun, Sep 27, 2026711163658003658
Sat, Sep 26, 2026711083554003554
Fri, Sep 25, 2026105312521560052156
Thu, Sep 24, 2026741183759003759
Wed, Sep 23, 2026681303465003465
Tue, Sep 22, 2026105382531910053191
Mon, Sep 21, 2026741523776003776
Sun, Sep 20, 202680382401910040191
Sat, Sep 19, 2026681163458003458
Fri, Sep 18, 202695326481630048163
Thu, Sep 17, 2026102314511570051157
Wed, Sep 16, 2026711363668003668
Tue, Sep 15, 2026741363768003768
Mon, Sep 14, 2026721323666003666
Sun, Sep 13, 2026771263963003963
Sat, Sep 12, 2026951344767004767
Fri, Sep 11, 2026931344667004667
Thu, Sep 10, 2026901304565004565
Wed, Sep 9, 2026841244262004262
Tue, Sep 8, 2026931264663004663
Mon, Sep 7, 2026711243662003662
Sun, Sep 6, 202659842942002942
Sat, Sep 5, 202660883044003044
Fri, Sep 4, 2026701323566003566
Thu, Sep 3, 2026591012747003254
Wed, Sep 2, 202653762435002941
Tue, Sep 1, 2026631122952003460
Mon, Aug 31, 2026721132844583961
Sun, Aug 30, 2026761112943584160
Sat, Aug 29, 2026811083142684458
Fri, Aug 28, 202652662025452836
Thu, Aug 27, 202648651925352635
Wed, Aug 26, 202643651725352435
Tue, Aug 25, 202639481519332126
Mon, Aug 24, 202639481519332126
Sun, Aug 23, 202637521420342028
Sat, Aug 22, 202634491319231927
Fri, Aug 21, 202653962037472952
Thu, Aug 20, 202633421316231823
Wed, Aug 19, 202640811531362244
Tue, Aug 18, 202640831532362245
Mon, Aug 17, 202636441417231924
Sun, Aug 16, 202635441317231924
Sat, Aug 15, 202630341113221719
Fri, Aug 14, 202630341213221719
Thu, Aug 13, 202632361214221820
Wed, Aug 12, 202627311012221517
Tue, Aug 11, 202625291011221416
Mon, Aug 10, 20262128811121215
Sun, Aug 9, 202627341113221519
Sat, Aug 8, 20262128811121215
Fri, Aug 7, 20262128811121215
Thu, Aug 6, 20262236914121220
Wed, Aug 5, 20261926810121114
Tue, Aug 4, 20261926710121014
Mon, Aug 3, 202619276846913
Sun, Aug 2, 202619264668912
Sat, Aug 1, 2026202834912912
Fri, Jul 31, 20262128121215811
Thu, Jul 30, 20262287001456831
Wed, Jul 29, 20262487001556831
Tue, Jul 28, 20262029001319710
Mon, Jul 27, 20262142001427815
Sun, Jul 26, 20262139001325714
Sat, Jul 25, 20262028001318710
Fri, Jul 24, 2026232600151789
Thu, Jul 23, 20262239001425814
Wed, Jul 22, 20262339001525814
Tue, Jul 21, 20262328001518810
Mon, Jul 20, 20262129001419710
Sun, Jul 19, 20262129001419710
Sat, Jul 18, 20262229001419810
Fri, Jul 17, 20262228001418810
Thu, Jul 16, 20262128001418810
Wed, Jul 15, 20262428001518810
Tue, Jul 14, 2026212600141779
Mon, Jul 13, 20262434001622812
Sun, Jul 12, 202636620023401322
Sat, Jul 11, 202627360018231013
Fri, Jul 10, 20262534001622912
Thu, Jul 9, 202629320019211011
Wed, Jul 8, 20262634001722912
Tue, Jul 7, 20262251007161535
Mon, Jul 6, 20261758126211135
Sun, Jul 5, 202631211327127616108
Sat, Jul 4, 20262610741911441244
Fri, Jul 3, 2026317361514321126
Thu, Jul 2, 20262438591118712
Wed, Jul 1, 202626657201330615
Tue, Jun 30, 2026482171356231051156
Mon, Jun 29, 202630758191437719
Sun, Jun 28, 202625647181233613
Sat, Jun 27, 20263511110341751826
Fri, Jun 26, 202629548151428714
Thu, Jun 25, 202625647181233613
Wed, Jun 24, 202626447131222611
Tue, Jun 23, 202628698191436614
Mon, Jun 22, 202631639161531716
Sun, Jun 21, 2026355410141726814
Sat, Jun 20, 202631509141526712
Fri, Jun 19, 202627898271341621
Thu, Jun 18, 202628688211331616
Wed, Jun 17, 202623637191129515
Tue, Jun 16, 202626627161330616
Mon, Jun 15, 202625477121223612
Sun, Jun 14, 202628908231444623
Sat, Jun 13, 202628778201437620
Fri, Jun 12, 202629578181426713
Thu, Jun 11, 202632669201631715
Wed, Jun 10, 2026336310191629815
Tue, Jun 9, 20264012312381956929
Mon, Jun 8, 202648121143123591131
Sun, Jun 7, 202658111204026491222
Sat, Jun 6, 202614433261145561192668
Fri, Jun 5, 20266010130522136914
Thu, Jun 4, 20266710539642030915
Wed, Jun 3, 20266315241951640618
Tue, Jun 2, 2026571084281112448
Mon, Jun 1, 202681171641301327514
Sun, May 31, 20267349360430105439
Sat, May 30, 2026811106384131759
Fri, May 29, 20268513367105142459
Thu, May 28, 202692189721531431511
Wed, May 27, 2026102181801461628610
Tue, May 26, 20268313165991321511
Mon, May 25, 202684182661471330511
Sun, May 24, 20269813076991522611
Sat, May 23, 2026102175801351627613
Fri, May 22, 2026114235911941842614
Thu, May 21, 2026117296932491840613
Wed, May 20, 202694181741371529515
Tue, May 19, 202681262652221228412
Mon, May 18, 2026105241821831638720
Sun, May 17, 20261523061212582341921
Sat, May 16, 20261335061074421955711
Fri, May 15, 202674137581041222411
Thu, May 14, 202695210741661538513
Wed, May 13, 20261332251051852134715
Tue, May 12, 20261392041091612237815
Mon, May 11, 20261623641293112446920
Sun, May 10, 20261554101223442344923
Sat, May 9, 202623566419359631641129
Fri, May 8, 202621354517346729511127
Thu, May 7, 202625586621779427621133
Wed, May 6, 20261934051703811829512
Tue, May 5, 20261865381695081219415
Mon, May 4, 202621161720359961729
Sun, May 3, 202622346321645951728
Sat, May 2, 20261767461757400303
Fri, May 1, 20262968472968470000
Thu, Apr 30, 20261915731915730000
Wed, Apr 29, 20261926101926100000
Tue, Apr 28, 20261963371963370000
Mon, Apr 27, 20262189592189590000
Sun, Apr 26, 20262148132148130000
Sat, Apr 25, 20263517863517860000
Fri, Apr 24, 20265053,6135053,6130000
Thu, Apr 23, 20263709383709380000
Wed, Apr 22, 20264681,4794681,4790000
Tue, Apr 21, 20264201,3444201,3440000
Mon, Apr 20, 20263498473498470000
Sun, Apr 19, 20264721,8364721,8360000
Sat, Apr 18, 20265812,4565812,4560000
Fri, Apr 17, 20262919392919390000
Thu, Apr 16, 20264461,8924461,8920000
Wed, Apr 15, 20266982,1146982,1140000
Tue, Apr 14, 20266153,4316153,4310000
Mon, Apr 13, 20264271,5784271,5780000
Sun, Apr 12, 20267776,1507776,1500000
Sat, Apr 11, 20264561,4274561,4270000
Fri, Apr 10, 20265682,2325682,2320000
Thu, Apr 9, 20267482,4477482,4470000
Wed, Apr 8, 20261,0174,7961,0174,7960000
Tue, Apr 7, 20269604,6999604,6990000
Mon, Apr 6, 20266501,9396501,9390000
Sun, Apr 5, 20265261,4125261,4120000
Sat, Apr 4, 20269833,9769833,9760000
Fri, Apr 3, 20265851,8705851,8700000
Thu, Apr 2, 20264481,8214481,8210000
Wed, Apr 1, 20261,0484,6521,0484,6520000
Tue, Mar 31, 20261,5083,7111,5083,7110000
Mon, Mar 30, 20261,2073,7111,2073,7110000
Sun, Mar 29, 20261,1603,8731,1603,8730000
Sat, Mar 28, 20269023,8649023,8640000
Fri, Mar 27, 20261,0563,3451,0563,3450000
Thu, Mar 26, 20269203,9399203,9390000
Wed, Mar 25, 20268052,5168052,5160000
Tue, Mar 24, 20262931,2352931,2350000
Mon, Mar 23, 20265701,9065701,9060000
Sun, Mar 22, 20267412,4467412,4460000
Sat, Mar 21, 20266582,3056582,3050000
Fri, Mar 20, 20267212,4267212,4260000
Thu, Mar 19, 20263199363199360000
Wed, Mar 18, 20262167622167620000
Tue, Mar 17, 20262405412405410000
Mon, Mar 16, 20264441,7154441,7150000
Sun, Mar 15, 20261594601594600000
Sat, Mar 14, 20261533051533050000
Fri, Mar 13, 20261393341393340000
Thu, Mar 12, 20262314192314190000
Wed, Mar 11, 20262136012136010000
Tue, Mar 10, 20261954561954560000
Mon, Mar 9, 20262821,4092821,4090000
Sun, Mar 8, 20262366952366950000
Sat, Mar 7, 20263353,0183353,0180000
Fri, Mar 6, 20261715521715520000
Thu, Mar 5, 20261764781764780000
Wed, Mar 4, 20262351,1412351,1410000
Tue, Mar 3, 20263209753209750000
Mon, Mar 2, 20263009993009990000
Sun, Mar 1, 20261823971823970000
Sat, Feb 28, 20261494331494330000
Fri, Feb 27, 20261152721152720000
Thu, Feb 26, 20262427922427920000
Wed, Feb 25, 20261294131294130000
Tue, Feb 24, 20261513221513220000
Mon, Feb 23, 20261703481703480000
Sun, Feb 22, 20261532781532780000
Sat, Feb 21, 20261889131889130000
Fri, Feb 20, 20261644071644070000
Thu, Feb 19, 20262029542029540000
Wed, Feb 18, 20261857551857550000
Tue, Feb 17, 20261343301343300000
Mon, Feb 16, 20262246872246870000
Sun, Feb 15, 20261512841512840000
Sat, Feb 14, 20261152271152270000
Fri, Feb 13, 20262697072697070000
Thu, Feb 12, 20261172591172590000
Wed, Feb 11, 20261602821602820000
Tue, Feb 10, 202696229962290000
Mon, Feb 9, 202657128571280000
Sun, Feb 8, 202687192871920000
Sat, Feb 7, 202686201862010000
Fri, Feb 6, 202677221772210000
Thu, Feb 5, 20261161911161910000
Wed, Feb 4, 202644110441100000
Tue, Feb 3, 20261231971231970000
Mon, Feb 2, 20261203381203380000
Sun, Feb 1, 202654156541560000
Sat, Jan 31, 20261403921403920000
Fri, Jan 30, 20261413491413490000
Thu, Jan 29, 20262147102147100000
Wed, Jan 28, 202643156431560000
Tue, Jan 27, 20261519181519180000
Mon, Jan 26, 202660156601560000
Sun, Jan 25, 20261188201188200000
Sat, Jan 24, 20261578911578910000
Fri, Jan 23, 202662148621480000
Thu, Jan 22, 202657104571040000
Wed, Jan 21, 202669152691520000
Tue, Jan 20, 202685146851460000
Mon, Jan 19, 20261427811427810000
Sun, Jan 18, 202670114701140000
Sat, Jan 17, 202682217822170000
Fri, Jan 16, 20263542,1573542,1570000
Thu, Jan 15, 20261791,8101791,8100000
Wed, Jan 14, 20261262991262990000
Tue, Jan 13, 20261132561132560000
Mon, Jan 12, 20262518322518320000
Sun, Jan 11, 20262567152567150000
Sat, Jan 10, 20261302681302680000
Fri, Jan 9, 202697531975310000
Thu, Jan 8, 202689234892340000
Wed, Jan 7, 202669225692250000
Tue, Jan 6, 202672213722130000
Mon, Jan 5, 202646198461980000
Sun, Jan 4, 2026276927690000
Sat, Jan 3, 2026334733470000
Fri, Jan 2, 2026287328730000
Thu, Jan 1, 202628106281060000
Wed, Dec 31, 20251551,1421551,1420000
Tue, Dec 30, 20251104221104220000
Mon, Dec 29, 20256881,9316881,9310000
Sun, Dec 28, 202576189761890000
Sat, Dec 27, 2025184618460000
Fri, Dec 26, 202532134321340000
Thu, Dec 25, 202540275402750000
Wed, Dec 24, 202555212552120000
Tue, Dec 23, 20251672,4651672,4650000
Mon, Dec 22, 202599535995350000
Sun, Dec 21, 202555231552310000
Sat, Dec 20, 202556141561410000
Fri, Dec 19, 2025246224620000
Thu, Dec 18, 202544215442150000
Wed, Dec 17, 202556135561350000
Tue, Dec 16, 20253581,0433581,0430000
Mon, Dec 15, 2025193719370000
Sun, Dec 14, 2025417641760000
Sat, Dec 13, 2025184118410000
Fri, Dec 12, 2025203620360000
Thu, Dec 11, 202531100311000000
Wed, Dec 10, 2025253625360000
Tue, Dec 9, 2025285728570000
Mon, Dec 8, 2025255625560000
Sun, Dec 7, 2025153714330015
Sat, Dec 6, 20252067154800519
Fri, Dec 5, 202523601334001026
Thu, Dec 4, 20252256924001332
Wed, Dec 3, 2025153148001123
Tue, Dec 2, 2025215227001946
Mon, Dec 1, 2025175400001754
Sun, Nov 30, 2025133800001338
Sat, Nov 29, 2025215800002158
Fri, Nov 28, 2025213600002136
Thu, Nov 27, 2025305600003056
Wed, Nov 26, 202536190000036190
Tue, Nov 25, 2025236200002362
Mon, Nov 24, 2025102600001026
Sun, Nov 23, 2025194000001940
Sat, Nov 22, 2025132100001321
Fri, Nov 21, 20258250000825
Thu, Nov 20, 20259270000927
Wed, Nov 19, 20258190000819
Tue, Nov 18, 20258220000822
Mon, Nov 17, 2025102100001021
Sun, Nov 16, 20256150000615
Sat, Nov 15, 2025113800001138
Fri, Nov 14, 2025193100001931
Thu, Nov 13, 2025173200001732
Wed, Nov 12, 2025226200002262
Tue, Nov 11, 2025193800001938
Mon, Nov 10, 2025243800002438
Sun, Nov 9, 2025195600001956
Sat, Nov 8, 2025243500002435
Fri, Nov 7, 2025173100001731
Thu, Nov 6, 2025133100001331
Wed, Nov 5, 2025142600001426
Tue, Nov 4, 2025153800001538
Mon, Nov 3, 2025214800002148
Sun, Nov 2, 2025286800002868
Sat, Nov 1, 202536130000036130
Fri, Oct 31, 202548105000048105
Thu, Oct 30, 2025174500001745
Wed, Oct 29, 2025314700003147
Tue, Oct 28, 202537228000037228
Mon, Oct 27, 2025235900002359
Sun, Oct 26, 2025225800002258
Sat, Oct 25, 2025244800002448
Fri, Oct 24, 2025326400003264
Thu, Oct 23, 2025257100002571
Wed, Oct 22, 2025329600003296
Tue, Oct 21, 2025235200002352
Mon, Oct 20, 2025277300002773
Sun, Oct 19, 2025195500001955
Sat, Oct 18, 2025329600003296
Fri, Oct 17, 202554132000054132
Thu, Oct 16, 2025296600002966
Wed, Oct 15, 2025236300002363
Tue, Oct 14, 202528166000028166
Mon, Oct 13, 202541129000041129
Sun, Oct 12, 202540234000040234
Sat, Oct 11, 20251053300000105330
Fri, Oct 10, 2025265200002652
Thu, Oct 9, 2025378800003788
Wed, Oct 8, 202546149000046149
Tue, Oct 7, 202553181000053181
Mon, Oct 6, 202544150000044150
Sun, Oct 5, 202539120000039120
Sat, Oct 4, 202542104000042104
Fri, Oct 3, 202548162000048162
Thu, Oct 2, 202546145000046145
Wed, Oct 1, 202540142000040142
Tue, Sep 30, 202539105000039105
Mon, Sep 29, 202546123000046123
Sun, Sep 28, 202544101000044101
Sat, Sep 27, 2025487600004876
Fri, Sep 26, 202552115000052115
Thu, Sep 25, 202568187000068187
Wed, Sep 24, 202588175000088175
Tue, Sep 23, 202559131000059131
Mon, Sep 22, 202554127000054127
Sun, Sep 21, 202567332000067332
Sat, Sep 20, 202587365000087365
Fri, Sep 19, 202599139000099139