AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

Location: Celaya (Avenida Brillante), MX

Reporting: True, Located: True

Current AQI: 88.0

Celaya (Avenida Brillante) MX, MX: 20.537683, -100.83994

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) 1.15 ppb (13) 126.0 μg/m3 (86) 29.2 μg/m3 (87) 87.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 0.66 ppb (7) 75.0 μg/m3 (60) 29.9 μg/m3 (88) 88.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (24) 0.5 ppb (6) 75.0 μg/m3 (60) 26.6 μg/m3 (81) 81.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (25) 0.5 ppb (6) 82.0 μg/m3 (64) 22.9 μg/m3 (73) 73.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (31) 0.48 ppb (5) 86.0 μg/m3 (66) 26.1 μg/m3 (80) 80.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 45.0 ppb (35) 0.52 ppb (6) 71.0 μg/m3 (58) 25.5 μg/m3 (79) 79.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) 0.53 ppb (6) 71.0 μg/m3 (58) 25.0 μg/m3 (78) 78.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (44) 0.58 ppb (6) 101.0 μg/m3 (73) 32.6 μg/m3 (94) 94.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) 0.79 ppb (9) 207.0 μg/m3 (126) 46.5 μg/m3 (128) 128.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 17.0 ppb (13) 1.55 ppb (17) N/A 36.8 μg/m3 (103) 103.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 49.0 ppb (38) 0.99 ppb (11) 114.0 μg/m3 (80) 27.1 μg/m3 (82) 82.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 72.0 ppb (56) 0.67 ppb (7) 71.0 μg/m3 (58) 21.8 μg/m3 (71) 71.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 76.0 ppb (59) 0.53 ppb (6) 86.0 μg/m3 (66) 20.6 μg/m3 (68) 68.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 80.0 ppb (62) 0.53 ppb (6) 101.0 μg/m3 (73) 19.7 μg/m3 (66) 73.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 79.0 ppb (62) 0.54 ppb (6) 69.0 μg/m3 (57) 22.7 μg/m3 (73) 73.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 79.0 ppb (62) 0.54 ppb (6) 106.0 μg/m3 (76) 18.1 μg/m3 (63) 76.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 73.0 ppb (57) 0.63 ppb (7) 90.0 μg/m3 (68) 21.2 μg/m3 (70) 70.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 70.0 ppb (54) 0.68 ppb (8) 153.0 μg/m3 (99) 29.1 μg/m3 (86) 99.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 71.0 ppb (55) 0.63 ppb (7) 132.0 μg/m3 (88) 35.6 μg/m3 (100) 100.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 67.0 ppb (52) 0.78 ppb (9) 128.0 μg/m3 (86) 31.6 μg/m3 (92) 92.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 50.0 ppb (38) 0.77 ppb (9) 117.0 μg/m3 (81) 37.3 μg/m3 (104) 104.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 28.0 ppb (22) 0.89 ppb (10) 239.0 μg/m3 (142) 43.0 μg/m3 (119) 142.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) 1.26 ppb (14) 263.0 μg/m3 (154) 46.3 μg/m3 (127) 154.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) 1.87 ppb (21) 132.0 μg/m3 (88) 38.6 μg/m3 (108) 108.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) 0.91 ppb (10) 110.0 μg/m3 (78) 30.5 μg/m3 (89) 89.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) 0.66 ppb (7) 90.0 μg/m3 (68) 34.7 μg/m3 (98) 98.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) 0.62 ppb (7) 101.0 μg/m3 (73) 39.1 μg/m3 (109) 109.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) 0.71 ppb (8) 84.0 μg/m3 (64) 33.6 μg/m3 (96) 96.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 38.0 ppb (29) 0.59 ppb (7) 75.0 μg/m3 (60) 32.7 μg/m3 (94) 94.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 38.0 ppb (29) 0.61 ppb (7) 87.0 μg/m3 (66) 26.0 μg/m3 (80) 80.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) 0.59 ppb (7) 100.0 μg/m3 (72) 29.1 μg/m3 (86) 86.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.69 ppb (30) 152.0 μg/m3 (98) 35.4 μg/m3 (100) 100.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 1.13 ppb (13) N/A 27.0 μg/m3 (82) 82.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) 0.86 ppb (10) 65.0 μg/m3 (55) 12.1 μg/m3 (50) 55.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 70.0 ppb (54) 0.59 ppb (7) 57.0 μg/m3 (51) 12.7 μg/m3 (51) 54.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 74.0 ppb (57) 0.44 ppb (5) 52.0 μg/m3 (47) 14.4 μg/m3 (55) 57.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 74.0 ppb (57) 0.47 ppb (5) 52.0 μg/m3 (47) 11.9 μg/m3 (50) 57.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 72.0 ppb (56) 0.52 ppb (6) 51.0 μg/m3 (46) 10.4 μg/m3 (43) 56.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 72.0 ppb (56) 0.48 ppb (5) 68.0 μg/m3 (56) 22.8 μg/m3 (73) 73.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 71.0 ppb (55) 0.56 ppb (6) 90.0 μg/m3 (68) 18.6 μg/m3 (64) 68.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 67.0 ppb (52) 0.59 ppb (7) 64.0 μg/m3 (54) 17.7 μg/m3 (62) 62.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 58.0 ppb (45) 0.59 ppb (7) 61.0 μg/m3 (53) 22.1 μg/m3 (71) 71.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) 0.66 ppb (7) 97.0 μg/m3 (71) 35.8 μg/m3 (101) 101.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 50.0 ppb (38) 0.65 ppb (7) 276.0 μg/m3 (160) 39.2 μg/m3 (109) 160.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 35.0 ppb (27) 0.81 ppb (9) 128.0 μg/m3 (86) 34.3 μg/m3 (97) 97.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 22.0 ppb (17) 0.85 ppb (9) 167.0 μg/m3 (106) 34.1 μg/m3 (97) 106.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) 1.0 ppb (11) 76.0 μg/m3 (60) 32.7 μg/m3 (94) 94.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) 0.74 ppb (8) 70.0 μg/m3 (58) 27.6 μg/m3 (83) 83.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) 0.58 ppb (6) 64.0 μg/m3 (54) 26.3 μg/m3 (80) 80.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) 0.51 ppb (6) 72.0 μg/m3 (58) 25.5 μg/m3 (79) 79.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) 0.55 ppb (6) 87.0 μg/m3 (66) 34.1 μg/m3 (97) 97.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (32) 0.57 ppb (6) 117.0 μg/m3 (81) 36.3 μg/m3 (102) 102.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 40.0 ppb (31) 0.65 ppb (7) 149.0 μg/m3 (97) 47.0 μg/m3 (129) 129.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 30.0 ppb (23) 0.84 ppb (9) 132.0 μg/m3 (88) 44.3 μg/m3 (122) 122.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) 0.8 ppb (9) 149.0 μg/m3 (97) 35.8 μg/m3 (101) 101.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) 0.85 ppb (9) 167.0 μg/m3 (106) 39.0 μg/m3 (109) 109.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 46.0 ppb (35) 0.85 ppb (9) 94.0 μg/m3 (70) 23.9 μg/m3 (75) 75.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (46) 0.63 ppb (7) 92.0 μg/m3 (68) 22.8 μg/m3 (73) 73.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 65.0 ppb (50) 0.59 ppb (7) 99.0 μg/m3 (72) 21.6 μg/m3 (70) 72.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (52) 0.62 ppb (7) 123.0 μg/m3 (84) 34.7 μg/m3 (98) 98.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 78.0 ppb (61) 0.63 ppb (7) 141.0 μg/m3 (93) 35.4 μg/m3 (100) 100.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 74.0 ppb (57) 0.69 ppb (8) 188.0 μg/m3 (116) 32.8 μg/m3 (94) 116.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 66.0 ppb (51) 0.61 ppb (7) 194.0 μg/m3 (120) 27.9 μg/m3 (84) 120.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 64.0 ppb (49) 0.65 ppb (7) 120.0 μg/m3 (82) 30.8 μg/m3 (90) 90.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (46) 0.67 ppb (7) 102.0 μg/m3 (74) 26.9 μg/m3 (82) 82.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (42) 0.79 ppb (9) 160.0 μg/m3 (102) 39.1 μg/m3 (109) 109.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) 0.84 ppb (9) 169.0 μg/m3 (107) 38.8 μg/m3 (108) 108.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 40.0 ppb (31) 0.83 ppb (9) 121.0 μg/m3 (83) 38.6 μg/m3 (108) 108.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) 0.84 ppb (9) 212.0 μg/m3 (128) 41.8 μg/m3 (116) 128.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) 1.15 ppb (13) 102.0 μg/m3 (74) 37.3 μg/m3 (104) 104.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) 0.78 ppb (9) 74.0 μg/m3 (60) 29.7 μg/m3 (88) 88.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (25) 0.65 ppb (7) 62.0 μg/m3 (54) 29.9 μg/m3 (88) 88.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) 0.6 ppb (7) 69.0 μg/m3 (57) 30.4 μg/m3 (89) 89.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) 0.61 ppb (7) 85.0 μg/m3 (65) 33.8 μg/m3 (96) 96.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) 0.64 ppb (7) 88.0 μg/m3 (66) 33.0 μg/m3 (95) 95.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 23.0 ppb (18) 0.66 ppb (7) 94.0 μg/m3 (70) 30.3 μg/m3 (89) 89.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) 0.92 ppb (10) 99.0 μg/m3 (72) 23.0 μg/m3 (73) 73.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 41.0 ppb (32) 0.81 ppb (9) 94.0 μg/m3 (70) 24.9 μg/m3 (77) 77.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 43.0 ppb (33) 1.0 ppb (11) 89.0 μg/m3 (67) 24.3 μg/m3 (76) 76.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) 1.23 ppb (14) 110.0 μg/m3 (78) 38.1 μg/m3 (106) 106.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (39) 0.95 ppb (11) 111.0 μg/m3 (78) 28.6 μg/m3 (85) 85.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 59.0 ppb (45) 0.75 ppb (8) 146.0 μg/m3 (96) 28.0 μg/m3 (84) 96.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.64 ppb (7) N/A 30.8 μg/m3 (90) 90.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 71.0 ppb (55) 0.83 ppb (9) 235.0 μg/m3 (140) 39.7 μg/m3 (110) 140.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 72.0 ppb (56) 0.71 ppb (8) 190.0 μg/m3 (118) N/A 118.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 71.0 ppb (55) 0.76 ppb (8) 170.0 μg/m3 (108) N/A 108.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 69.0 ppb (53) 0.73 ppb (8) 139.0 μg/m3 (92) 38.6 μg/m3 (108) 108.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 63.0 ppb (48) 0.73 ppb (8) 124.0 μg/m3 (84) N/A 84.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 60.0 ppb (46) 0.75 ppb (8) 97.0 μg/m3 (71) N/A 71.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 51.0 ppb (39) 0.78 ppb (9) 128.0 μg/m3 (86) 78.3 μg/m3 (162) 162.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 35.0 ppb (27) 0.84 ppb (9) 278.0 μg/m3 (162) N/A 162.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 11.0 ppb (8) 1.93 ppb (21) 229.0 μg/m3 (137) 85.0 μg/m3 (166) 166.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 8.0 ppb (6) 1.61 ppb (18) 141.0 μg/m3 (93) 48.4 μg/m3 (132) 132.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 8.0 ppb (6) 1.06 ppb (12) 89.0 μg/m3 (67) N/A 67.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 17.0 ppb (13) 0.72 ppb (8) 50.0 μg/m3 (45) N/A 45.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 38.0 ppb (29) 0.57 ppb (6) 59.0 μg/m3 (52) 68.2 μg/m3 (157) 157.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 40.0 ppb (31) 0.57 ppb (6) 61.0 μg/m3 (53) 33.6 μg/m3 (96) 96.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 42.0 ppb (32) 0.56 ppb (6) 69.0 μg/m3 (57) 25.1 μg/m3 (78) 78.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) 0.52 ppb (6) 64.0 μg/m3 (54) N/A 54.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (34) 0.53 ppb (6) 88.0 μg/m3 (66) 63.4 μg/m3 (154) 154.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 57.0 ppb (44) 0.75 ppb (8) 97.0 μg/m3 (71) 40.4 μg/m3 (112) 112.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 0.72 ppb (8) 112.0 μg/m3 (78) 42.9 μg/m3 (118) 118.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 35.0 ppb (27) 0.8 ppb (9) 108.0 μg/m3 (76) 36.1 μg/m3 (102) 102.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 0.91 ppb (10) 94.0 μg/m3 (70) 36.8 μg/m3 (103) 103.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 0.88 ppb (10) 64.0 μg/m3 (54) 28.7 μg/m3 (86) 86.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 26.0 ppb (20) 0.64 ppb (7) 62.0 μg/m3 (54) 28.4 μg/m3 (85) 85.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (25) 0.62 ppb (7) 53.0 μg/m3 (48) 37.5 μg/m3 (105) 105.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) 0.61 ppb (7) 57.0 μg/m3 (51) 27.8 μg/m3 (84) 84.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) 0.57 ppb (6) 85.0 μg/m3 (65) 35.6 μg/m3 (100) 100.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) 0.57 ppb (6) 84.0 μg/m3 (64) 31.6 μg/m3 (92) 92.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (28) 0.54 ppb (6) 91.0 μg/m3 (68) 31.7 μg/m3 (92) 92.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) 0.57 ppb (6) 80.0 μg/m3 (62) 32.9 μg/m3 (94) 94.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) 0.74 ppb (8) N/A 52.0 μg/m3 (141) 141.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 2.35 ppb (26) 173.0 μg/m3 (109) 33.2 μg/m3 (95) 109.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 45.0 ppb (35) 1.26 ppb (14) 104.0 μg/m3 (74) 30.5 μg/m3 (89) 89.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 64.0 ppb (49) 0.86 ppb (10) 102.0 μg/m3 (74) 27.6 μg/m3 (83) 83.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 72.0 ppb (56) 0.66 ppb (7) 111.0 μg/m3 (78) 33.7 μg/m3 (96) 96.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 79.0 ppb (62) 0.61 ppb (7) 110.0 μg/m3 (78) 32.8 μg/m3 (94) 94.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 73.0 ppb (57) 0.61 ppb (7) 101.0 μg/m3 (73) 27.7 μg/m3 (83) 83.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 78.0 ppb (61) 0.7 ppb (8) 100.0 μg/m3 (72) 34.6 μg/m3 (98) 98.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 76.0 ppb (59) 0.65 ppb (7) 96.0 μg/m3 (70) 39.6 μg/m3 (110) 110.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 79.0 ppb (62) 0.68 ppb (8) 103.0 μg/m3 (74) 44.5 μg/m3 (122) 122.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 75.0 ppb (58) 0.69 ppb (8) 105.0 μg/m3 (75) 50.9 μg/m3 (138) 138.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 69.0 ppb (53) 0.67 ppb (7) 114.0 μg/m3 (80) 54.4 μg/m3 (147) 147.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 58.0 ppb (45) 0.7 ppb (8) 144.0 μg/m3 (94) 54.3 μg/m3 (147) 147.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 46.0 ppb (35) 0.7 ppb (8) 144.0 μg/m3 (94) 55.3 μg/m3 (150) 150.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 0.88 ppb (10) 121.0 μg/m3 (83) 55.1 μg/m3 (149) 149.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) 0.93 ppb (10) 106.0 μg/m3 (76) 53.2 μg/m3 (144) 144.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) 0.79 ppb (9) 77.0 μg/m3 (61) 46.6 μg/m3 (128) 128.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) 0.6 ppb (7) 81.0 μg/m3 (63) 40.9 μg/m3 (114) 114.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) 0.59 ppb (7) 73.0 μg/m3 (59) 41.0 μg/m3 (114) 114.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) 0.56 ppb (6) 82.0 μg/m3 (64) 43.6 μg/m3 (120) 120.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) 0.57 ppb (6) 90.0 μg/m3 (68) 57.2 μg/m3 (151) 151.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 0.62 ppb (7) 94.0 μg/m3 (70) 35.2 μg/m3 (99) 99.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 0.68 ppb (8) 75.0 μg/m3 (60) 34.2 μg/m3 (97) 97.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 49.0 ppb (38) 0.68 ppb (8) 117.0 μg/m3 (81) 35.9 μg/m3 (101) 101.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) 0.79 ppb (9) 184.0 μg/m3 (114) 37.1 μg/m3 (104) 114.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) 1.31 ppb (15) 104.0 μg/m3 (74) 22.1 μg/m3 (71) 74.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 50.0 ppb (38) 0.8 ppb (9) 111.0 μg/m3 (78) 26.6 μg/m3 (81) 81.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (46) 0.55 ppb (6) 105.0 μg/m3 (75) 30.1 μg/m3 (89) 89.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (48) 0.6 ppb (7) 111.0 μg/m3 (78) 36.4 μg/m3 (102) 102.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (52) 0.67 ppb (7) 132.0 μg/m3 (88) 32.4 μg/m3 (93) 93.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (52) 0.63 ppb (7) 186.0 μg/m3 (116) 33.2 μg/m3 (95) 116.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 62.0 ppb (48) 0.58 ppb (6) 147.0 μg/m3 (96) 36.7 μg/m3 (103) 103.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (46) 0.68 ppb (8) 142.0 μg/m3 (94) 46.0 μg/m3 (126) 126.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 75.0 ppb (58) 0.8 ppb (9) 135.0 μg/m3 (90) 49.3 μg/m3 (134) 134.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 70.0 ppb (54) 0.82 ppb (9) 206.0 μg/m3 (126) 63.3 μg/m3 (154) 154.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 54.0 ppb (42) 1.13 ppb (13) 186.0 μg/m3 (116) 69.4 μg/m3 (157) 157.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 31.0 ppb (24) 1.43 ppb (16) 228.0 μg/m3 (136) 75.0 μg/m3 (160) 160.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 10.0 ppb (8) 1.81 ppb (20) 257.0 μg/m3 (151) 74.3 μg/m3 (160) 160.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 9.0 ppb (7) 2.06 ppb (23) 127.0 μg/m3 (86) 66.5 μg/m3 (156) 156.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 7.0 ppb (5) 0.92 ppb (10) 171.0 μg/m3 (108) 82.7 μg/m3 (164) 164.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) 0.94 ppb (10) 124.0 μg/m3 (84) 67.8 μg/m3 (156) 156.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 10.0 ppb (8) 0.8 ppb (9) 147.0 μg/m3 (96) 86.3 μg/m3 (166) 166.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 12.0 ppb (9) 0.85 ppb (9) 101.0 μg/m3 (73) 51.0 μg/m3 (139) 139.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 20.0 ppb (15) 0.79 ppb (9) 105.0 μg/m3 (75) 48.8 μg/m3 (133) 133.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 25.0 ppb (19) 0.64 ppb (7) 126.0 μg/m3 (86) 57.0 μg/m3 (151) 151.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) 0.76 ppb (8) 97.0 μg/m3 (71) 40.6 μg/m3 (113) 113.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) 0.86 ppb (10) 98.0 μg/m3 (72) 40.9 μg/m3 (114) 114.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 45.0 ppb (35) 0.94 ppb (10) 133.0 μg/m3 (89) 35.9 μg/m3 (101) 101.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) 0.97 ppb (11) N/A 37.8 μg/m3 (106) 106.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 0.66 ppb (7) 117.0 μg/m3 (81) 31.7 μg/m3 (92) 92.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 59.0 ppb (45) 0.73 ppb (8) 116.0 μg/m3 (80) 30.2 μg/m3 (89) 89.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (48) 0.58 ppb (6) 113.0 μg/m3 (79) 29.9 μg/m3 (88) 88.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (52) 0.6 ppb (7) 144.0 μg/m3 (94) 25.4 μg/m3 (79) 94.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (52) 0.6 ppb (7) 137.0 μg/m3 (91) 24.3 μg/m3 (76) 91.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 61.0 ppb (47) 0.63 ppb (7) 134.0 μg/m3 (90) 26.1 μg/m3 (80) 90.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (44) 0.6 ppb (7) 105.0 μg/m3 (75) 23.3 μg/m3 (74) 75.0