AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

Location: Celaya, MX

Reporting: True, Located: True

Current AQI: 54.0

Celaya MX, MX: 20.518317, -100.81591

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 68.0 ppb (52) 0.51 ppb (6) 44.0 μg/m3 (40) 22.9 μg/m3 (73) 73.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 70.0 ppb (54) 0.52 ppb (6) 42.0 μg/m3 (38) 8.4 μg/m3 (35) 54.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 74.0 ppb (57) 0.52 ppb (6) 42.0 μg/m3 (38) N/A 57.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 74.0 ppb (57) 0.56 ppb (6) 47.0 μg/m3 (43) N/A 57.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 71.0 ppb (55) 0.58 ppb (6) 53.0 μg/m3 (48) 3.3 μg/m3 (14) 55.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 0.57 ppb (6) 57.0 μg/m3 (51) 11.1 μg/m3 (46) 52.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 64.0 ppb (49) 0.55 ppb (6) 48.0 μg/m3 (44) 12.4 μg/m3 (51) 51.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 58.0 ppb (45) 0.58 ppb (6) 61.0 μg/m3 (53) 11.9 μg/m3 (50) 53.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 58.0 ppb (45) 0.6 ppb (7) 80.0 μg/m3 (62) 11.9 μg/m3 (50) 62.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 48.0 ppb (37) 0.79 ppb (9) 90.0 μg/m3 (68) 23.4 μg/m3 (74) 74.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 0.85 ppb (9) 77.0 μg/m3 (61) 16.9 μg/m3 (60) 61.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 23.0 ppb (18) 0.84 ppb (9) 74.0 μg/m3 (60) 14.8 μg/m3 (56) 60.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 0.89 ppb (10) 71.0 μg/m3 (58) 27.3 μg/m3 (83) 83.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 14.0 ppb (11) 0.82 ppb (9) 55.0 μg/m3 (50) 23.3 μg/m3 (74) 74.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 0.55 ppb (6) 43.0 μg/m3 (39) 21.5 μg/m3 (70) 70.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 36.0 ppb (28) 0.53 ppb (6) 58.0 μg/m3 (52) 18.8 μg/m3 (64) 64.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) 0.56 ppb (6) 64.0 μg/m3 (54) 31.4 μg/m3 (91) 91.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 45.0 ppb (35) 0.6 ppb (7) 81.0 μg/m3 (63) 37.2 μg/m3 (104) 104.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 46.0 ppb (35) 0.62 ppb (7) 101.0 μg/m3 (73) 46.0 μg/m3 (126) 126.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 39.0 ppb (30) 0.76 ppb (8) 98.0 μg/m3 (72) 53.8 μg/m3 (146) 146.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 0.73 ppb (8) 108.0 μg/m3 (76) 44.3 μg/m3 (122) 122.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 49.0 ppb (38) 0.7 ppb (8) 101.0 μg/m3 (73) 50.1 μg/m3 (136) 136.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 55.0 ppb (42) 0.6 ppb (7) 82.0 μg/m3 (64) 37.0 μg/m3 (104) 104.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.57 ppb (6) 71.0 μg/m3 (58) 26.5 μg/m3 (81) 81.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 66.0 ppb (51) 0.55 ppb (6) 72.0 μg/m3 (58) 14.8 μg/m3 (56) 58.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 69.0 ppb (53) 0.63 ppb (7) 88.0 μg/m3 (66) 5.8 μg/m3 (24) 66.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 78.0 ppb (61) 0.7 ppb (8) 82.0 μg/m3 (64) 22.3 μg/m3 (72) 72.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 75.0 ppb (58) 0.69 ppb (8) 74.0 μg/m3 (60) 13.0 μg/m3 (52) 60.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 66.0 ppb (51) 0.66 ppb (7) 81.0 μg/m3 (63) 13.0 μg/m3 (52) 63.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.67 ppb (7) 82.0 μg/m3 (64) 19.1 μg/m3 (65) 65.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 59.0 ppb (45) 0.68 ppb (8) 74.0 μg/m3 (60) 14.1 μg/m3 (54) 60.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 55.0 ppb (42) 0.7 ppb (8) 100.0 μg/m3 (72) 21.9 μg/m3 (71) 72.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 51.0 ppb (39) 0.75 ppb (8) 110.0 μg/m3 (78) 32.0 μg/m3 (93) 93.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 35.0 ppb (27) 0.97 ppb (11) 114.0 μg/m3 (80) 25.9 μg/m3 (80) 80.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 19.0 ppb (15) 1.18 ppb (13) 108.0 μg/m3 (76) 35.7 μg/m3 (100) 100.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) 1.32 ppb (15) 54.0 μg/m3 (49) 30.5 μg/m3 (89) 89.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 38.0 ppb (29) 0.77 ppb (9) 53.0 μg/m3 (48) 22.6 μg/m3 (73) 73.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) 0.64 ppb (7) 52.0 μg/m3 (47) 25.4 μg/m3 (79) 79.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 41.0 ppb (32) 0.61 ppb (7) 59.0 μg/m3 (52) 27.9 μg/m3 (84) 84.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) 0.64 ppb (7) 66.0 μg/m3 (56) 34.8 μg/m3 (99) 99.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) 0.69 ppb (8) 70.0 μg/m3 (58) 38.1 μg/m3 (106) 106.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 0.73 ppb (8) 56.0 μg/m3 (50) 41.9 μg/m3 (116) 116.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 40.0 ppb (31) 0.72 ppb (8) 42.0 μg/m3 (38) 42.7 μg/m3 (118) 118.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 45.0 ppb (35) 0.63 ppb (7) 64.0 μg/m3 (54) 34.5 μg/m3 (98) 98.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) 0.63 ppb (7) 80.0 μg/m3 (62) 39.4 μg/m3 (110) 110.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 50.0 ppb (38) 0.63 ppb (7) 93.0 μg/m3 (69) 39.3 μg/m3 (110) 110.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 56.0 ppb (43) 0.64 ppb (7) 73.0 μg/m3 (59) 26.4 μg/m3 (81) 81.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 62.0 ppb (48) 0.65 ppb (7) 86.0 μg/m3 (66) 18.5 μg/m3 (64) 66.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 63.0 ppb (48) 0.71 ppb (8) 84.0 μg/m3 (64) 11.3 μg/m3 (47) 64.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 69.0 ppb (53) 0.74 ppb (8) 87.0 μg/m3 (66) 10.8 μg/m3 (45) 66.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 72.0 ppb (56) 0.76 ppb (8) 95.0 μg/m3 (70) 13.3 μg/m3 (53) 70.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 72.0 ppb (56) 0.79 ppb (9) 101.0 μg/m3 (73) 21.7 μg/m3 (71) 73.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 73.0 ppb (57) 0.79 ppb (9) 74.0 μg/m3 (60) 19.5 μg/m3 (66) 66.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 59.0 ppb (45) 0.7 ppb (8) 92.0 μg/m3 (68) 21.3 μg/m3 (70) 70.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 60.0 ppb (46) 0.77 ppb (9) 94.0 μg/m3 (70) 24.6 μg/m3 (77) 77.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 50.0 ppb (38) 0.84 ppb (9) 128.0 μg/m3 (86) 31.9 μg/m3 (92) 92.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 25.0 ppb (19) 1.36 ppb (15) 126.0 μg/m3 (86) 27.5 μg/m3 (83) 86.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 11.0 ppb (8) 1.54 ppb (17) 109.0 μg/m3 (77) 27.5 μg/m3 (83) 83.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) 1.19 ppb (13) 97.0 μg/m3 (71) 38.8 μg/m3 (108) 108.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 3.0 ppb (2) 1.02 ppb (11) 89.0 μg/m3 (67) 40.9 μg/m3 (114) 114.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 16.0 ppb (12) 0.82 ppb (9) 64.0 μg/m3 (54) 38.5 μg/m3 (108) 108.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 30.0 ppb (23) 0.67 ppb (7) 59.0 μg/m3 (52) 32.1 μg/m3 (93) 93.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 36.0 ppb (28) 0.7 ppb (8) 67.0 μg/m3 (56) 38.5 μg/m3 (108) 108.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 41.0 ppb (32) 0.72 ppb (8) 65.0 μg/m3 (55) 39.4 μg/m3 (110) 110.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 41.0 ppb (32) 0.64 ppb (7) 63.0 μg/m3 (54) 56.6 μg/m3 (151) 151.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 45.0 ppb (35) 0.63 ppb (7) 67.0 μg/m3 (56) 40.8 μg/m3 (113) 113.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 56.0 ppb (43) 0.9 ppb (10) 100.0 μg/m3 (72) 17.9 μg/m3 (63) 72.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 39.0 ppb (30) 0.93 ppb (10) 110.0 μg/m3 (78) 26.5 μg/m3 (81) 81.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 29.0 ppb (22) 1.0 ppb (11) 85.0 μg/m3 (65) 39.1 μg/m3 (109) 109.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) 1.18 ppb (13) 65.0 μg/m3 (55) 30.6 μg/m3 (90) 90.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) 1.03 ppb (11) 59.0 μg/m3 (52) 35.3 μg/m3 (100) 100.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 0.82 ppb (9) 48.0 μg/m3 (44) 33.2 μg/m3 (95) 95.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 0.7 ppb (8) 54.0 μg/m3 (49) 23.4 μg/m3 (74) 74.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 0.73 ppb (8) 46.0 μg/m3 (42) 31.5 μg/m3 (91) 91.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 35.0 ppb (27) 0.72 ppb (8) 66.0 μg/m3 (56) 27.0 μg/m3 (82) 82.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 36.0 ppb (28) 0.68 ppb (8) 75.0 μg/m3 (60) 38.5 μg/m3 (108) 108.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 37.0 ppb (28) 0.69 ppb (8) 75.0 μg/m3 (60) 49.2 μg/m3 (134) 134.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 0.7 ppb (8) 75.0 μg/m3 (60) 39.0 μg/m3 (109) 109.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 29.0 ppb (22) 0.8 ppb (9) 138.0 μg/m3 (92) 65.7 μg/m3 (155) 155.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 1.66 ppb (18) 85.0 μg/m3 (65) 46.3 μg/m3 (127) 127.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 47.0 ppb (36) 0.99 ppb (11) 84.0 μg/m3 (64) 36.6 μg/m3 (103) 103.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 63.0 ppb (48) 0.93 ppb (10) 85.0 μg/m3 (65) 37.0 μg/m3 (104) 104.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 13.0 ppb (19) 68.0 ppb (52) 0.86 ppb (10) 75.0 μg/m3 (60) 17.9 μg/m3 (63) 63.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 72.0 ppb (56) 0.76 ppb (8) 81.0 μg/m3 (63) 18.9 μg/m3 (65) 65.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 73.0 ppb (57) 0.72 ppb (8) 78.0 μg/m3 (62) 13.4 μg/m3 (53) 62.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 82.0 ppb (64) 0.77 ppb (9) 80.0 μg/m3 (62) 20.1 μg/m3 (67) 67.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 82.0 ppb (64) 0.78 ppb (9) 78.0 μg/m3 (62) 15.0 μg/m3 (56) 64.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 76.0 ppb (59) 0.82 ppb (9) 93.0 μg/m3 (69) 20.4 μg/m3 (68) 69.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 73.0 ppb (57) 0.79 ppb (9) 100.0 μg/m3 (72) 23.1 μg/m3 (74) 74.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 0.85 ppb (9) 109.0 μg/m3 (77) 26.7 μg/m3 (81) 81.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 56.0 ppb (43) 0.89 ppb (10) 104.0 μg/m3 (74) 34.1 μg/m3 (97) 97.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) 0.94 ppb (10) 102.0 μg/m3 (74) 38.0 μg/m3 (106) 106.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.05 ppb (12) 100.0 μg/m3 (72) 47.0 μg/m3 (129) 129.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) 0.97 ppb (11) 76.0 μg/m3 (60) 61.7 μg/m3 (153) 153.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 0.82 ppb (9) 72.0 μg/m3 (58) 46.8 μg/m3 (128) 128.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 0.75 ppb (8) 73.0 μg/m3 (59) 34.1 μg/m3 (97) 97.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 34.0 ppb (26) 0.77 ppb (9) 67.0 μg/m3 (56) 46.1 μg/m3 (126) 126.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 0.74 ppb (8) 77.0 μg/m3 (61) 53.4 μg/m3 (145) 145.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 30.0 ppb (23) 0.71 ppb (8) 89.0 μg/m3 (67) 61.4 μg/m3 (153) 153.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 34.0 ppb (26) 0.7 ppb (8) 68.0 μg/m3 (56) 59.1 μg/m3 (152) 152.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 41.0 ppb (32) 0.69 ppb (8) 56.0 μg/m3 (50) 38.9 μg/m3 (108) 108.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 47.0 ppb (36) 0.68 ppb (8) 89.0 μg/m3 (67) 44.7 μg/m3 (123) 123.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 50.0 ppb (38) 0.7 ppb (8) 89.0 μg/m3 (67) 41.5 μg/m3 (115) 115.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 38.0 ppb (29) 0.76 ppb (8) 56.0 μg/m3 (50) 33.5 μg/m3 (96) 96.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 52.0 ppb (40) 0.64 ppb (7) 62.0 μg/m3 (54) 18.6 μg/m3 (64) 64.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (45) 0.7 ppb (8) 66.0 μg/m3 (56) 8.7 μg/m3 (36) 56.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.63 ppb (7) 93.0 μg/m3 (69) 5.7 μg/m3 (24) 69.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) 0.69 ppb (8) 93.0 μg/m3 (69) 11.9 μg/m3 (50) 69.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 66.0 ppb (51) 0.7 ppb (8) 96.0 μg/m3 (70) 18.7 μg/m3 (64) 70.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 61.0 ppb (47) 0.72 ppb (8) 84.0 μg/m3 (64) 18.0 μg/m3 (63) 64.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 57.0 ppb (44) 0.75 ppb (8) 112.0 μg/m3 (78) 28.4 μg/m3 (85) 85.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 78.0 ppb (61) 0.91 ppb (10) 103.0 μg/m3 (74) 40.6 μg/m3 (113) 113.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 73.0 ppb (57) 0.89 ppb (10) 117.0 μg/m3 (81) 37.5 μg/m3 (105) 105.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 51.0 ppb (39) 1.13 ppb (13) 118.0 μg/m3 (82) 37.5 μg/m3 (105) 105.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (24) 1.09 ppb (12) 138.0 μg/m3 (92) 41.8 μg/m3 (116) 116.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 12.0 ppb (9) 1.36 ppb (15) 161.0 μg/m3 (103) 53.3 μg/m3 (144) 144.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 1.0 ppb (1) 1.46 ppb (16) 150.0 μg/m3 (98) 57.4 μg/m3 (151) 151.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 3.0 ppb (2) 1.28 ppb (14) 119.0 μg/m3 (82) 56.3 μg/m3 (150) 150.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 5.0 ppb (4) 1.0 ppb (11) 107.0 μg/m3 (76) 53.0 μg/m3 (144) 144.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 0.86 ppb (10) 124.0 μg/m3 (84) 49.5 μg/m3 (135) 135.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) 0.87 ppb (10) 106.0 μg/m3 (76) 53.7 μg/m3 (146) 146.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 15.0 ppb (12) 0.8 ppb (9) 122.0 μg/m3 (84) 57.6 μg/m3 (151) 151.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) 0.81 ppb (9) 85.0 μg/m3 (65) 50.6 μg/m3 (138) 138.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 0.83 ppb (9) 73.0 μg/m3 (59) 42.4 μg/m3 (117) 117.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) 0.76 ppb (8) 87.0 μg/m3 (66) 50.5 μg/m3 (138) 138.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 50.0 ppb (38) 0.82 ppb (9) 95.0 μg/m3 (70) 49.4 μg/m3 (135) 135.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.79 ppb (9) 99.0 μg/m3 (72) 36.8 μg/m3 (103) 103.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 50.0 ppb (38) 0.78 ppb (9) 92.0 μg/m3 (68) 35.3 μg/m3 (100) 100.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 61.0 ppb (47) 0.74 ppb (8) 74.0 μg/m3 (60) 17.4 μg/m3 (61) 61.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.68 ppb (8) 93.0 μg/m3 (69) 14.3 μg/m3 (55) 69.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) 0.67 ppb (7) 77.0 μg/m3 (61) 12.2 μg/m3 (50) 61.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 66.0 ppb (51) 0.63 ppb (7) 80.0 μg/m3 (62) 11.8 μg/m3 (49) 62.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 61.0 ppb (47) 0.65 ppb (7) 87.0 μg/m3 (66) 21.1 μg/m3 (69) 69.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 56.0 ppb (43) 0.69 ppb (8) 54.0 μg/m3 (49) 15.3 μg/m3 (57) 57.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.58 ppb (6) 66.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 46.0 ppb (35) 0.57 ppb (6) 108.0 μg/m3 (76) 16.9 μg/m3 (60) 76.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) 0.76 ppb (8) 160.0 μg/m3 (102) 37.9 μg/m3 (106) 106.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 17.0 ppb (13) 1.54 ppb (17) 176.0 μg/m3 (110) 36.5 μg/m3 (102) 110.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) 1.89 ppb (21) 168.0 μg/m3 (106) 40.5 μg/m3 (112) 112.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 1.0 ppb (1) 1.68 ppb (19) 110.0 μg/m3 (78) 45.5 μg/m3 (125) 125.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) 0.89 ppb (10) 111.0 μg/m3 (78) 49.0 μg/m3 (134) 134.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 0.61 ppb (7) 91.0 μg/m3 (68) 53.0 μg/m3 (144) 144.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 0.53 ppb (6) 75.0 μg/m3 (60) 32.7 μg/m3 (94) 94.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 0.5 ppb (6) 92.0 μg/m3 (68) 41.0 μg/m3 (114) 114.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 0.56 ppb (6) 86.0 μg/m3 (66) 49.5 μg/m3 (135) 135.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 0.59 ppb (7) 78.0 μg/m3 (62) 53.0 μg/m3 (144) 144.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 0.62 ppb (7) 63.0 μg/m3 (54) 39.7 μg/m3 (110) 110.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 37.0 ppb (28) 0.64 ppb (7) 89.0 μg/m3 (67) 44.3 μg/m3 (122) 122.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 40.0 ppb (31) 0.7 ppb (8) 85.0 μg/m3 (65) 42.1 μg/m3 (116) 116.0
 
May 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 0.71 ppb (8) 79.0 μg/m3 (62) 31.1 μg/m3 (91) 91.0
 
May 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.65 ppb (7) 61.0 μg/m3 (53) 19.0 μg/m3 (65) 65.0
 
May 13, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 57.0 ppb (44) 0.6 ppb (7) 60.0 μg/m3 (52) 19.0 μg/m3 (65) 65.0
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 61.0 ppb (47) 0.59 ppb (7) 74.0 μg/m3 (60) 15.6 μg/m3 (58) 60.0
 
May 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 64.0 ppb (49) 0.6 ppb (7) 68.0 μg/m3 (56) 15.5 μg/m3 (57) 57.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 58.0 ppb (45) 0.54 ppb (6) 71.0 μg/m3 (58) 11.8 μg/m3 (49) 58.0
 
May 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 55.0 ppb (42) 0.56 ppb (6) 64.0 μg/m3 (54) 18.4 μg/m3 (64) 64.0
 
May 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 56.0 ppb (43) 0.57 ppb (6) 56.0 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
May 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 48.0 ppb (37) 0.52 ppb (6) 58.0 μg/m3 (52) 12.3 μg/m3 (51) 52.0
 
May 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 48.0 ppb (37) 0.56 ppb (6) 66.0 μg/m3 (56) 13.6 μg/m3 (53) 56.0
 
May 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) 0.59 ppb (7) 93.0 μg/m3 (69) 20.9 μg/m3 (69) 69.0
 
May 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) 0.84 ppb (9) 106.0 μg/m3 (76) 25.3 μg/m3 (78) 78.0
 
May 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) 1.14 ppb (13) 110.0 μg/m3 (78) 29.8 μg/m3 (88) 88.0
 
May 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.15 ppb (13) 93.0 μg/m3 (69) 34.6 μg/m3 (98) 98.0
 
May 12, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) 0.88 ppb (10) 83.0 μg/m3 (64) 32.9 μg/m3 (94) 94.0
 
May 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 0.67 ppb (7) 83.0 μg/m3 (64) 30.4 μg/m3 (89) 89.0
 
May 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 0.69 ppb (8) 77.0 μg/m3 (61) 32.2 μg/m3 (93) 93.0
 
May 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 35.0 ppb (27) 0.62 ppb (7) 82.0 μg/m3 (64) 33.6 μg/m3 (96) 96.0
 
May 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 40.0 ppb (31) 0.66 ppb (7) 84.0 μg/m3 (64) 44.9 μg/m3 (124) 124.0