OKC AQI 2018
Ozone PM-2.5 NO2 SO2 CO PM-10
(Conc ppm) (AQI) (Conc μg/m3) (AQI) (Conc ppm) (AQI) (Conc ppm) (AQI) (Conc ppm) (AQI) (Conc μg/m3) (AQI)
2018/Jan/01 0.035 32 5.4 23 0.022 21 0.002 3 .3 3 10 9
2018/Jan/02 0.027 25 7.5 31 0.021 20 0 0 .4 5 19 18
2018/Jan/03 0.037 34 8.0 33 0.032 30 0.002 3 1.0 11 22 20
2018/Jan/04 0.037 34 8.0 33 0.032 30 0.002 3 1.0 11 22 20
2018/Jan/05 0.035 32 13.2 53 0.035 33 0.001 1 .7 8 44 41
2018/Jan/06 0.045 42 16.9 61 0.036 34 0.001 1 .7 8 43 40
2018/Jan/07 0.041 38 15.9 59 0.024 23 0.001 1 .5 6 31 29
2018/Jan/08 0.031 29 10.6 44 0.037 35 0.001 1 1.1 13 18 17
2018/Jan/09 0.030 28 13.8 55 0.025 24 0.001 1 1.4 16 33 31
2018/Jan/10 0.033 31 16.5 60 0.026 25 0 0 .6 7 36 33
2018/Jan/11 0.032 30 7.6 32 0.017 16 0 0 .4 5 21 19
2018/Jan/12 0.032 30 4.0 17 0.016 15 0 0 .2 2 9 8
2018/Jan/13 0.032 30 5.1 21 0.026 25 0 0 .0 0 12 11
2018/Jan/14 0.032 30 7.5 31 0.027 25 0 0 .2 2 18 17
2018/Jan/15 0.034 31 7.8 33 0.023 22 0 0 .2 2 16 15
2018/Jan/16 0.033 31 7.9 33 0.022 21 0.001 1 .2 2 14 13
2018/Jan/17 0.029 27 13.4 54 0.034 32 0.001 1 .5 6 31 29
2018/Jan/18 0.036 33 8.9 37 0.022 21 0 0 .4 5 25 23
2018/Jan/19 0.034 31 9.3 39 0.019 18 0 0 .6 7 21 19
2018/Jan/20 0.040 37 7.2 30 0.013 12 0 0 .6 7 15 14
2018/Jan/21 0.041 38 8.7 36 0.011 10 0 0 .5 6 35 32
2018/Jan/22 0.038 35 3.1 13 0.015 14 0 0 .2 2 28 26
2018/Jan/23 0.036 33 4.8 20 0.039 37 0.001 1 .9 10 17 16
2018/Jan/24 0.040 37 6.2 26 0.045 42 0 0 1.1 13 25 23
2018/Jan/25 0.048 44 7.9 33 0.035 33 0 0 .5 6 29 27
2018/Jan/26 0.036 33 9.0 38 0.027 25 0 0 .6 7 22 20
2018/Jan/27 0.041 38 5.1 21 0.037 35 0 0 .6 7 13 12
2018/Jan/28 0.044 41 8.3 35 0.037 35 0.001 1 1.1 13 19 18
2018/Jan/29 0.030 28 10.7 45 0.029 27 0.001 1 .6 7 21 19
2018/Jan/30 0.036 33 10.9 45 0.025 24 0.001 1 .6 7 66 56
2018/Jan/31 0.042 39 6.8 28 0.029 27 0.001 1 .4 5 32 30
2018/Feb/01 0.038 35 5.2 22 0.017 16 0.002 3 .3 3 21 19
2018/Feb/02 0.035 32 7.0 29 0.028 26 0 0 .6 7 24 22
2018/Feb/03 0.036 33 11.3 47 0.034 32 0.001 1 .8 9 39 36
2018/Feb/04 0.034 31 10.6 44 0.030 28 0 0 .8 9 26 24
2018/Feb/05 0.031 29 9.4 39 0.032 30 0 0 .6 7 26 24
2018/Feb/06 0.030 28 12.3 51 0.018 17 0.001 1 .7 8 25 23
2018/Feb/07 0.036 33 13.8 55 0.036 34 0.001 1 .7 8 31 29
2018/Feb/08 0.041 38 11.8 49 0.040 38 0.001 1 1.0 11 36 33
2018/Feb/09 0.041 38 17.8 63 0.026 25 0.001 1 .5 6 37 34
2018/Feb/10 0.031 29 14.6 56 0.006 6 0 0 .2 2 25 23
2018/Feb/11 0.038 35 8.7 36 0.033 31 0.002 3 .6 7 17 16
2018/Feb/12 0.038 35 10.3 43 0.044 42 0 0 1.0 11 20 19
2018/Feb/13 0.031 29 12.4 52 0.026 25 0 0 .6 7 34 31
2018/Feb/14 0.030 28 14.4 56 0.028 26 0 0 .6 7 27 25
2018/Feb/15 0.036 33 6.8 28 0.022 21 0.001 1 .6 7 23 21
2018/Feb/16 0.034 31 7.2 30 0.022 21 0 0 .4 5 39 36
2018/Feb/17 0.037 34 7.6 32 0.038 36 0 0 .9 10 14 13
2018/Feb/18 0.026 24 9.5 40 0.031 29 0 0 1.0 11 13 12
2018/Feb/19 0.022 20 12.8 52 0.014 13 0 0 .4 5 19 18
2018/Feb/20 0.031 29 7.7 32 0.011 10 0 0 .4 5 12 11
2018/Feb/21 0.031 29 7.1 30 0.013 12 0 0 .3 3 10 9
2018/Feb/22 0.024 22 7.7 32 0.022 21 0 0 .3 3 9 8
2018/Feb/23 0.016 15 5.8 24 0.016 15 0 0 .5 6 8 7
2018/Feb/24 0.024 22 6.2 26 0.026 25 0 0 .6 7 10 9
2018/Feb/25 0.045 42 8.7 36 0.030 28 0 0 1.0 11 15 14
2018/Feb/26 0.052 48 10.3 43 0.039 37 0.001 1 .9 10 25 23
2018/Feb/27 0.035 32 6.3 26 0.024 23 0 0 .7 8 14 13
2018/Feb/28 0.029 27 7.8 33 0.019 18 0 0 .5 6 17 16
2018/Mar/01 0.047 44 12.7 52 0.033 31 0 0 .6 7 21 19
2018/Mar/02 0.051 47 7.0 29 0.030 28 0 0 .7 8 28 26
2018/Mar/03 0.053 49 10.1 42 0.023 22 0 0 .6 7 28 26
2018/Mar/04 0.043 40 13.2 53 0.016 15 0 0 .6 7 23 21
2018/Mar/05 0.047 44 6.8 28 0.037 35 0 0 .5 6 35 32
2018/Mar/06 0.044 41 8.5 35 0.033 31 0 0 .5 6 63 55
2018/Mar/07 0.046 43 13.3 54 0.042 40 0.001 1 .7 8 24 22
2018/Mar/08 0.055 51 29.4 87 0.044 42 0 0 1.1 13 65 56
2018/Mar/09 0.054 50 12.1 51 0.041 39 0 0 .6 7 48 44
2018/Mar/10 0.038 35 17.2 62 0.033 31 0 0 1.0 11 37 34
2018/Mar/11 0.044 41 13.1 53 0.008 8 0.003 4 .7 8 25 23
2018/Mar/12 0.051 47 15.1 57 0.031 29 0.003 4 .4 5 30 28
2018/Mar/13 0.055 51 17.2 62 0.033 31 0.003 4 .7 8 41 38
2018/Mar/14 0.059 64 23.1 74 0.047 44 0.001 1 1.0 12 68 57
2018/Mar/15 0.067 90 22.2 72 0.035 33 0 0 .5 6 64 55
2018/Mar/16 0.052 48 6.1 25 0.028 26 0.002 3 .5 6 29 27
2018/Mar/17 0.039 36 6.0 25 0.022 21 0.002 3 .5 6 18 17
2018/Mar/18 0.042 39 28.5 85 0.025 24 0 0 .6 7 40 37
2018/Mar/19 0.036 33 7.2 30 0.013 12 0 0 .5 6 18 17
2018/Mar/20 0.042 39 6.8 28 0.033 31 0 0 .1 1 15 14
2018/Mar/21 0.051 47 11.0 46 0.035 33 0.001 1 1.0 11 27 25
2018/Mar/22 0.063 77 30.2 89 0.040 38 0.001 1 .1 1 77 62
2018/Mar/23 0.048 44 8.8 37 0.025 24 0 0 .7 8 27 25
2018/Mar/24 0.047 44 14.2 55 0.028 26 0.001 1 .6 7 20 19
2018/Mar/25 0.032 30 23.6 75 0.013 12 0 0 .6 7 33 31
2018/Mar/26 0.033 31 14.1 55 0.025 24 0.001 1 .6 7 28 26
2018/Mar/27 0.017 16 11.9 50 0.008 8 0 0 .5 6 8 7
2018/Mar/28 0.029 27 8.5 35 0.021 20 0 0 .6 7 13 12
2018/Mar/29 0.033 31 15.0 57 0.020 19 0 0 .6 7 19 18
2018/Mar/30 0.046 43 15.7 59 0.028 26 0 0 .7 8 28 26
2018/Mar/31 0.053 49 9.3 39 0.024 23 0 0 .6 7 18 17
2018/Apr/01 0.035 32 9.2 38 0.014 13 0.001 1 .3 3 16 15
2018/Apr/02 0.030 28 11.3 47 0.024 23 0 0 .6 7 28 26
2018/Apr/03 0.040 37 8.8 37 0.008 8 0.001 1 .4 5 23 21
2018/Apr/04 0.049 45 6.3 26 0.028 26 0.001 1 .6 7 18 17
2018/Apr/05 0.055 51 8.7 36 0.028 26 0.001 1 .5 6 43 40
2018/Apr/06 0.043 40 11.7 49 0.020 19 0.001 1 .5 6 22 20
2018/Apr/07 0.044 41 6.8 28 0.027 25 0.001 1 .0 0 13 12
2018/Apr/08 0.044 41 9.2 38 0.023 22 0 0 .0 0 11 10
2018/Apr/09 0.052 48 20.8 69 0.036 34 0.001 1 .1 1 33 31
2018/Apr/10 0.052 48 17.3 62 0.027 25 0 0 .1 1 32 30
2018/Apr/11 0.062 74 12.2 51 0.028 26 0 0 .6 7 41 38
2018/Apr/12 0.055 51 9.0 38 0.026 25 0 0 .5 6 35 32
2018/Apr/13 0.058 61 43.8 121 0.019 18 0.002 3 .5 6 84 65
2018/Apr/14 0.046 43 4.4 18 0.002 2 0 0 .4 5 26 24
2018/Apr/15 0.054 50 5.5 23 0.035 33 0 0 .3 3 13 12
2018/Apr/16 0.064 80 7.8 33 0.029 27 0 0 .5 6 26 24
2018/Apr/17 0.058 61 8.8 37 0.029 27 0 0 .5 6 39 36
2018/Apr/18 0.052 48 10.1 42 0.013 12 0 0 .3 3 83 65
2018/Apr/19 0.060 67 9.7 40 0.028 26 0.001 1 .4 5 28 26
2018/Apr/20 0.055 51 12.8 52 0.027 25 0 0 .5 6 29 27
2018/Apr/21 0.040 37 8.8 37 0.019 18 0 0 .4 5 15 14
2018/Apr/22 0.053 49 10.9 45 0.009 8 0.002 3 .2 2 16 15
2018/Apr/23 0.060 67 10.7 45 0.016 15 0 0 .2 2 18 17
2018/Apr/24 0.075 115 10.5 44 0.034 32 0 0 .5 6 21 19
2018/Apr/25 0.032 30 4.5 19 0.006 6 0 0 .2 2 7 6
2018/Apr/26 0.060 67 8.0 33 0.021 20 0 0 .3 3 13 12
2018/Apr/27 0.056 54 6.5 27 0.044 42 0 0 .6 7 17 16
2018/Apr/28 0.072 105 9.4 39 0.043 41 0 0 .7 8 24 22
2018/Apr/29 0.069 97 12.3 51 0.025 24 0 0 .7 8 31 29
2018/Apr/30 0.061 71 11.3 47 0.028 26 0 0 .5 6 36 33
2018/May/01 0.049 45 12.5 52 0.022 21 0 0 .6 7 33 31
2018/May/02 0.042 39 10.6 44 0.021 20 0 0 .6 7 29 27
2018/May/03 0.052 48 7.1 30 0.027 25 0 0 .6 7 17 16
2018/May/04 0.055 51 7.3 30 0.030 28 0 0 .3 3 15 14
2018/May/05 0.069 97 10.7 45 0.043 41 0.001 1 .5 6 24 22
2018/May/06 0.066 87 9.1 38 0.036 34 0 0 .6 7 23 21
2018/May/07 0.064 80 10.8 45 0.035 33 0 0 .7 8 29 27
2018/May/08 0.065 84 9.8 41 0.036 34 0 0 .6 7 30 28
2018/May/09 0.068 93 8.8 37 0.020 19 0 0 .6 7 31 29
2018/May/10 0.067 90 11.0 46 0.028 26 0 0 .6 7 37 34
2018/May/11 0.054 50 9.5 40 0.028 26 0 0 .5 6 35 32
2018/May/12 0.048 44 11.0 46 0.024 23 0 0 .6 7 30 28
2018/May/13 0.043 40 12.9 53 0.020 19 0 0 .6 7 24 22
2018/May/14 0.040 37 13.1 53 0.021 20 0 0 .6 7 26 24
2018/May/15 ND ND ND ND ND ND
2018/May/16 0.066 87 6.5 27 0.030 28 0 0 .6 7 13 12
2018/May/17 0.062 74 7.1 30 0.039 37 0 0 .6 7 19 18
2018/May/18 0.059 64 9.3 39 0.031 29 0 0 .7 8 23 21
2018/May/19 0.048 44 12.2 51 0.025 24 0 0 .6 7 31 29
2018/May/20 0.040 37 11.2 47 0.018 17 0 0 .5 6 16 15
2018/May/21 0.061 71 9.5 40 0.032 30 0 0 .7 8 19 18
2018/May/22 0.061 71 8.8 37 0.035 33 0 0 .7 8 24 22
2018/May/23 0.051 47 9.3 39 0.025 24 0 0 .6 7 23 21
2018/May/24 0.049 45 9.3 39 0.030 28 0 0 .6 7 22 20
2018/May/25 0.059 64 6.0 25 0.033 31 0 0 .7 8 12 11
2018/May/26 0.068 93 7.5 31 0.025 24 0 0 .7 8 19 18
2018/May/27 0.053 49 9.1 38 0.016 15 0 0 .6 7 18 17
2018/May/28 0.053 49 11.1 46 0.020 19 0 0 .6 7 18 17
2018/May/29 0.059 64 13.2 53 0.031 29 0 0 .7 8 28 26
2018/May/30 0.058 61 9.0 38 0.034 32 0 0 .6 7 23 21
2018/May/31 0.044 41 8.2 34 0.029 27 0 0 .7 8 25 23
2018/Jun/01 0.056 54 13.4 54 0.027 25 0 0 .8 9 40 37
2018/Jun/02 0.064 80 13.7 54 0.020 19 0 0 .6 7 28 26
2018/Jun/03 0.055 51 4.2 18 0.029 27 0 0 .5 6 15 14
2018/Jun/04 0.052 48 9.6 40 0.034 32 0 0 .7 8 31 29
2018/Jun/05 0.058 61 10.4 43 0.035 33 0 0 .7 8 26 24
2018/Jun/06 0.048 44 10.7 45 0.025 24 0.001 1 .7 8 25 23
2018/Jun/07 0.043 40 8.6 36 0.027 25 0 0 .6 7 18 17
2018/Jun/08 0.056 54 8.1 34 0.035 33 0 0 .8 9 19 18
2018/Jun/09 0.050 46 9.4 39 0.021 20 0 0 .7 8 22 20
2018/Jun/10 0.040 37 11.2 47 0.016 15 0 0 .6 7 32 30
2018/Jun/11 0.045 42 19.6 67 0.023 22 0 0 .7 8 70 58
2018/Jun/12 0.036 33 10.6 44 0.027 25 0 0 .7 8 29 27
2018/Jun/13 0.056 54 11.7 49 0.028 26 0 0 .7 8 33 31
2018/Jun/14 0.046 43 8.6 36 0.025 24 0 0 .6 7 28 26
2018/Jun/15 0.044 41 7.1 30 0.026 25 0 0 .7 8 29 27
2018/Jun/16 0.039 36 7.1 30 0.018 17 0 0 .6 7 23 21
2018/Jun/17 0.035 32 9.7 40 0.013 12 0 0 .6 7 30 28
2018/Jun/18 0.033 31 9.0 38 0.019 18 0 0 .6 7 34 31
2018/Jun/19 0.033 31 9.0 38 0.022 21 0 0 .6 7 33 31
2018/Jun/20 0.071 101 7.8 33 0.036 34 0 0 .5 6 21 19
2018/Jun/21 0.058 61 7.2 30 0.036 34 0.002 3 .5 6 20 19
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