Report Card: California

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County Grade Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Alameda C 2.0 6 0 0
Alpine DNC DNC DNC DNC DNC
Amador D 3.0 9 0 0
Butte F 4.3 13 0 0
Calaveras D 2.7 8 0 0
Colusa A 0.0 0 0 0
Contra Costa C 2.0 6 0 0
Del Norte DNC DNC DNC DNC DNC
El Dorado F 19.5 57 1 0
Fresno F 68.0 172 20 1
Glenn A 0.0 0 0 0
Humboldt A 0.0 0 0 0
Imperial F 16.2 47 1 0
Inyo C 1.3 4 0 0
Kern F 69.7 191 12 0
Kings F 23.5 66 3 0
Lake B 0.3 1 0 0
Lassen DNC DNC DNC DNC DNC
Los Angeles F 76.7 194 20 3
Madera F 31.8 88 5 0
Marin A 0.0 0 0 0
Mariposa F 10.0 30 0 0
Mendocino A 0.0 0 0 0
Merced F 14.3 43 0 0
Modoc DNC DNC DNC DNC DNC
Mono DNC DNC DNC DNC DNC
Monterey A 0.0 0 0 0
Napa B 0.3 1 0 0
Nevada F 7.0 21 0 0
Orange F 3.3 10 0 0
Placer F 15.0 45 0 0
Plumas DNC DNC DNC DNC DNC
Riverside F 97.0 231 40 0
Sacramento F 30.7 80 8 0
San Benito B 0.3 1 0 0
San Bernardino F 117.7 239 72 3
San Diego F 9.0 27 0 0
San Francisco A 0.0 0 0 0
San Joaquin F 8.8 25 1 0
San Luis Obispo F 6.7 20 0 0
San Mateo A 0.0 0 0 0
Santa Barbara C 1.7 5 0 0
Santa Clara B 0.7 2 0 0
Santa Cruz A 0.0 0 0 0
Shasta C 1.3 4 0 0
Sierra DNC DNC DNC DNC DNC
Siskiyou A 0.0 0 0 0
Solano B 0.7 2 0 0
Sonoma A 0.0 0 0 0
Stanislaus F 22.3 64 2 0
Sutter F 3.7 11 0 0
Tehama D 3.0 9 0 0
Trinity DNC DNC DNC DNC DNC
Tulare F 82.7 233 10 0
Tuolumne C 1.7 5 0 0
Ventura F 9.3 28 0 0
Yolo C 1.0 3 0 0
Yuba DNC DNC DNC DNC DNC

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

County Grade Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Grade
(Annual)
Design
Value
Alameda D 2.7 8 0 0 Pass 10.0
Alpine DNC DNC DNC DNC DNC DNC DNC
Amador DNC DNC DNC DNC DNC DNC DNC
Butte D 2.7 8 0 0 Pass 10.1
Calaveras B 0.3 1 0 0 Pass 8.4
Colusa D 2.8 2 3 1 Pass 7.1
Contra Costa C 1.3 4 0 0 Pass 7.4
Del Norte DNC DNC DNC DNC DNC DNC DNC
El Dorado DNC DNC DNC DNC DNC DNC DNC
Fresno F 47.0 87 36 0 Fail 16.4
Glenn DNC DNC DNC DNC DNC DNC DNC
Humboldt A 0.0 0 0 0 Pass 6.2
Imperial D 2.3 4 2 0 Fail 14.3
Inyo F 9.8 8 13 1 Pass 7.5
Kern F 43.2 69 39 1 Fail 17.3
Kings F 40.8 85 25 0 Fail 17.0
Lake A 0.0 0 0 0 Pass 3.8
Lassen DNC DNC DNC DNC DNC DNC DNC
Los Angeles F 26.8 70 7 0 Fail 13.0
Madera F 28.8 58 19 0 Fail 18.1
Marin C 1.0 3 0 0 Pass 9.5
Mariposa DNC DNC DNC DNC DNC DNC DNC
Mendocino A 0.0 0 0 0 INC INC
Merced F 18.2 47 5 0 Fail 13.3
Modoc DNC DNC DNC DNC DNC DNC DNC
Mono DNC DNC DNC DNC DNC DNC DNC
Monterey A 0.0 0 0 0 Pass 6.1
Napa INC INC INC INC INC INC INC
Nevada B 0.3 1 0 0 Pass 7.0
Orange F 5.7 17 0 0 Pass 10.7
Placer F 4.2 5 5 0 Pass 7.5
Plumas F 6.5 18 1 0 Fail 12.8
Riverside F 33.5 84 11 0 Fail 15.1
Sacramento F 6.7 20 0 0 Pass 10.4
San Benito A 0.0 0 0 0 Pass 5.5
San Bernardino D 2.8 7 1 0 Fail 12.6
San Diego C 2.0 3 2 0 Pass 10.8
San Francisco C 1.7 5 0 0 Pass 9.2
San Joaquin F 21.3 43 14 0 Fail 13.8
San Luis Obispo C 2.0 6 0 0 Pass 11.3
San Mateo C 1.3 4 0 0 Pass 9.3
Santa Barbara A 0.0 0 0 0 Pass 9.5
Santa Clara F 4.2 11 1 0 Pass 10.5
Santa Cruz F 7.0 21 0 0 Pass 6.3
Shasta A 0.0 0 0 0 Pass 6.2
Sierra DNC DNC DNC DNC DNC DNC DNC
Siskiyou B 0.7 2 0 0 Pass 6.3
Solano F 5.3 16 0 0 Pass 9.6
Sonoma A 0.0 0 0 0 Pass 8.4
Stanislaus F 38.0 81 22 0 Fail 15.7
Sutter D 3.2 8 1 0 Pass 7.7
Tehama C 1.3 4 0 0 Pass 8.1
Trinity INC INC INC INC INC INC INC
Tulare F 11.2 23 7 0 Fail 16.6
Tuolumne DNC DNC DNC DNC DNC DNC DNC
Ventura B 0.3 1 0 0 Pass 9.1
Yolo B 0.3 1 0 0 Pass 7.2
Yuba DNC DNC DNC DNC DNC DNC DNC

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

County Total Pop Under 18 65 & Over Pediatric Asthma Adult Asthma COPD CV Disease Diabetes Poverty Estimate
Alameda 1,578,891 343,177 191,838 30,402 107,985 56,443 81,383 123,422 201,303
Alpine 1,159 242 221 21 83 52 80 119 227
Amador 36,519 5,678 8,829 503 2,781 1,782 2,807 4,078 4,746
Butte 222,090 45,154 36,998 4,000 15,488 8,648 13,001 19,085 46,621
Calaveras 44,515 8,018 10,800 710 3,309 2,161 3,420 4,971 6,617
Colusa 21,358 6,019 2,725 533 1,345 728 1,070 1,604 2,749
Contra Costa 1,094,205 260,619 151,134 23,088 73,658 40,713 60,040 90,505 116,977
Del Norte 27,873 5,926 4,142 525 1,937 1,077 1,596 2,392 5,794
El Dorado 181,737 38,761 31,203 3,434 12,858 7,672 11,621 17,428 20,575
Fresno 955,272 278,110 103,705 24,637 58,765 30,120 43,282 65,253 268,773
Glenn 27,940 7,571 4,069 671 1,795 1,007 1,505 2,238 5,253
Humboldt 134,493 26,161 19,906 2,318 9,499 5,174 7,636 11,404 28,159
Imperial 176,584 50,940 20,339 4,513 10,926 5,688 8,239 12,374 38,067
Inyo 18,467 3,888 3,782 344 1,307 807 1,254 1,834 2,839
Kern 864,124 256,286 83,355 22,704 52,702 26,422 37,419 57,022 189,029
Kings 150,960 41,854 13,265 3,708 9,403 4,549 6,334 9,707 28,877
Lake 63,860 13,008 12,669 1,152 4,564 2,799 4,319 6,361 14,680
Lassen 32,163 5,652 3,843 501 2,309 1,182 1,688 2,569 4,512
Los Angeles 10,017,068 2,322,711 1,187,071 205,766 670,227 347,183 499,827 755,975 1,872,964
Madera 152,389 42,859 19,064 3,797 9,561 5,096 7,460 11,157 33,974
Marin 258,365 53,188 48,867 4,712 18,428 11,188 17,156 25,425 21,784
Mariposa 17,755 2,996 4,211 265 1,335 859 1,352 1,971 2,875
Mendocino 87,192 18,891 15,827 1,674 6,079 3,602 5,501 8,110 17,947
Merced 263,228 79,906 26,885 7,079 15,883 8,043 11,487 17,367 63,843
Modoc 9,147 1,871 2,045 166 654 414 651 944 1,778
Mono 14,074 2,820 1,576 250 992 521 743 1,149 1,636
Monterey 428,826 113,578 49,729 10,062 27,404 14,183 20,470 30,818 71,922
Napa 140,326 31,280 23,096 2,771 9,638 5,511 8,305 12,295 13,141
Nevada 98,200 17,604 22,087 1,560 7,263 4,597 7,195 10,506 12,478
Orange 3,114,363 727,016 397,165 64,405 209,171 111,471 162,288 244,921 416,204
Placer 367,309 85,595 63,282 7,583 24,995 14,606 22,204 32,760 30,287
Plumas 18,859 3,263 4,525 289 1,413 916 1,445 2,104 2,917
Riverside 2,292,507 615,555 294,281 54,531 146,427 78,238 114,669 171,404 392,513
Sacramento 1,462,131 360,895 181,076 31,971 96,329 51,022 74,142 111,850 272,592
San Benito 57,600 15,825 6,259 1,402 3,670 1,930 2,774 4,246 7,260
San Bernardino 2,088,371 578,417 208,565 51,241 131,342 66,473 94,315 144,112 392,242
San Diego 3,211,252 726,397 396,543 64,351 216,251 112,491 162,647 244,856 476,184
San Francisco 837,442 112,255 118,910 9,945 62,847 32,531 47,169 70,474 113,217
San Joaquin 704,379 198,720 80,542 17,604 44,161 23,160 33,502 50,634 137,451
San Luis Obispo 276,443 50,724 46,711 4,494 19,832 11,137 16,721 24,673 39,140
San Mateo 747,373 162,100 107,247 14,360 51,576 28,395 41,921 62,945 58,932
Santa Barbara 435,697 98,432 59,518 8,720 29,278 15,446 22,636 33,600 67,725
Santa Clara 1,862,041 435,695 222,803 38,598 124,653 65,241 94,147 142,695 191,898
Santa Cruz 269,419 55,179 34,494 4,888 18,783 9,962 14,442 21,888 38,447
Shasta 178,980 38,814 33,572 3,438 12,467 7,435 11,411 16,741 34,746
Sierra 3,047 501 764 44 232 154 244 356 436
Siskiyou 43,799 8,896 9,619 788 3,139 1,983 3,106 4,523 8,826
Solano 424,788 98,930 55,134 8,764 28,695 15,524 22,672 34,327 53,441
Sonoma 495,025 103,636 79,183 9,181 34,673 19,722 29,534 44,065 60,216
Stanislaus 525,491 145,255 61,652 12,868 33,197 17,455 25,308 38,162 113,074
Sutter 95,350 25,365 13,276 2,247 6,135 3,363 4,985 7,416 16,288
Tehama 63,057 15,149 11,006 1,342 4,255 2,506 3,822 5,629 11,148
Trinity 13,448 2,327 3,102 206 1,009 649 1,018 1,492 2,914
Tulare 454,143 144,482 45,908 12,799 26,839 13,630 19,496 29,455 133,050
Tuolumne 53,874 9,096 12,284 806 4,012 2,513 3,935 5,714 7,307
Ventura 839,620 206,064 110,178 18,255 55,744 30,260 44,348 66,883 99,227
Yolo 204,593 44,799 22,766 3,969 13,760 6,824 9,692 14,599 35,367
Yuba 73,340 20,727 8,085 1,836 4,583 2,373 3,414 5,166 14,876
TOTAL: