AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

Location: Celaya, MX

Reporting: True, Located: True

Current AQI: 38.0

Celaya MX, MX: 20.518317, -100.81591

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) 1.81 ppb (20) 38.0 μg/m3 (35) 6.8 μg/m3 (28) 38.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 1.78 ppb (20) 45.0 μg/m3 (41) 7.4 μg/m3 (31) 41.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 57.0 ppb (44) 1.83 ppb (20) 46.0 μg/m3 (42) 7.8 μg/m3 (32) 44.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) 1.86 ppb (21) 58.0 μg/m3 (52) 9.7 μg/m3 (40) 52.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 39.0 ppb (30) 1.91 ppb (21) 60.0 μg/m3 (52) 11.2 μg/m3 (47) 52.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 1.96 ppb (22) 47.0 μg/m3 (43) 10.6 μg/m3 (44) 44.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 22.0 ppb (17) 1.96 ppb (22) 40.0 μg/m3 (36) 7.0 μg/m3 (29) 36.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) 2.08 ppb (23) 34.0 μg/m3 (31) 5.8 μg/m3 (24) 31.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) 1.88 ppb (21) 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) 1.81 ppb (20) 16.0 μg/m3 (15) 3.8 μg/m3 (16) 20.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) 1.72 ppb (19) 11.0 μg/m3 (10) 2.4 μg/m3 (10) 19.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) 1.72 ppb (19) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) 1.72 ppb (19) 19.0 μg/m3 (17) 8.9 μg/m3 (37) 37.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 1.73 ppb (19) 32.0 μg/m3 (29) 14.4 μg/m3 (55) 55.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) 1.76 ppb (20) 45.0 μg/m3 (41) 21.0 μg/m3 (69) 69.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.79 ppb (20) 37.0 μg/m3 (34) 18.7 μg/m3 (64) 64.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.78 ppb (20) 36.0 μg/m3 (33) 13.6 μg/m3 (53) 53.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 1.77 ppb (20) 50.0 μg/m3 (45) 27.5 μg/m3 (83) 83.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.87 ppb (21) 60.0 μg/m3 (52) 61.5 μg/m3 (153) 153.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 1.85 ppb (21) 72.0 μg/m3 (58) 21.9 μg/m3 (71) 71.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) 1.84 ppb (20) 80.0 μg/m3 (62) 20.1 μg/m3 (67) 67.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) 1.8 ppb (20) 48.0 μg/m3 (44) 13.8 μg/m3 (54) 54.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 50.0 ppb (38) 1.79 ppb (20) 56.0 μg/m3 (50) 13.6 μg/m3 (53) 53.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 1.77 ppb (20) 46.0 μg/m3 (42) 9.7 μg/m3 (40) 42.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 57.0 ppb (44) 1.79 ppb (20) 49.0 μg/m3 (45) 7.2 μg/m3 (30) 45.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 60.0 ppb (46) 1.82 ppb (20) 47.0 μg/m3 (43) 17.1 μg/m3 (61) 61.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 61.0 ppb (47) 1.86 ppb (21) 53.0 μg/m3 (48) 17.1 μg/m3 (61) 61.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 1.87 ppb (21) 46.0 μg/m3 (42) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) 1.9 ppb (21) 38.0 μg/m3 (35) 8.9 μg/m3 (37) 37.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) 1.88 ppb (21) 33.0 μg/m3 (30) 6.9 μg/m3 (29) 30.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.86 ppb (21) 27.0 μg/m3 (25) 4.2 μg/m3 (18) 25.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 1.87 ppb (21) 27.0 μg/m3 (25) 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 1.86 ppb (21) 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 1.75 ppb (19) 17.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 27.0 ppb (21) 1.72 ppb (19) 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 1.77 ppb (20) 17.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 1.75 ppb (19) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 25.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 1.8 ppb (20) 32.0 μg/m3 (29) 13.2 μg/m3 (53) 53.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 1.79 ppb (20) 29.0 μg/m3 (26) 23.0 μg/m3 (73) 73.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) 1.79 ppb (20) 46.0 μg/m3 (42) 5.4 μg/m3 (23) 42.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 23.0 ppb (18) 1.84 ppb (20) 31.0 μg/m3 (28) 16.7 μg/m3 (60) 60.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) 1.86 ppb (21) N/A 21.2 μg/m3 (70) 70.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 1.87 ppb (21) 143.0 μg/m3 (94) 35.4 μg/m3 (100) 100.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 1.98 ppb (22) 118.0 μg/m3 (82) 31.3 μg/m3 (91) 91.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 54.0 ppb (42) 1.9 ppb (21) 46.0 μg/m3 (42) 23.7 μg/m3 (75) 75.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 57.0 ppb (44) 1.82 ppb (20) 45.0 μg/m3 (41) 20.6 μg/m3 (68) 68.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 58.0 ppb (45) 1.87 ppb (21) 55.0 μg/m3 (50) 16.8 μg/m3 (60) 60.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 65.0 ppb (50) 1.82 ppb (20) 44.0 μg/m3 (40) 14.8 μg/m3 (56) 56.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 1.79 ppb (20) 56.0 μg/m3 (50) 13.5 μg/m3 (53) 53.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 1.83 ppb (20) 41.0 μg/m3 (37) 12.3 μg/m3 (51) 52.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 60.0 ppb (46) 1.83 ppb (20) 55.0 μg/m3 (50) 12.4 μg/m3 (51) 51.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 53.0 ppb (41) 1.85 ppb (21) 52.0 μg/m3 (47) 7.0 μg/m3 (29) 47.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 40.0 ppb (31) 1.89 ppb (21) 47.0 μg/m3 (43) 9.9 μg/m3 (41) 43.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 29.0 ppb (22) 1.89 ppb (21) 39.0 μg/m3 (35) 7.8 μg/m3 (32) 35.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 22.0 ppb (17) 1.85 ppb (21) 41.0 μg/m3 (37) 5.7 μg/m3 (24) 37.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 1.84 ppb (20) 32.0 μg/m3 (29) 7.9 μg/m3 (33) 33.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 18.0 ppb (14) 1.79 ppb (20) 27.0 μg/m3 (25) 12.5 μg/m3 (51) 51.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) 1.78 ppb (20) 32.0 μg/m3 (29) 9.1 μg/m3 (38) 38.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 25.0 ppb (19) 1.74 ppb (19) 37.0 μg/m3 (34) 12.4 μg/m3 (51) 51.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 26.0 ppb (20) 1.77 ppb (20) 37.0 μg/m3 (34) 14.9 μg/m3 (56) 56.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 25.0 ppb (19) 1.77 ppb (20) 36.0 μg/m3 (33) 9.8 μg/m3 (41) 41.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) 1.75 ppb (19) 49.0 μg/m3 (45) 14.3 μg/m3 (55) 55.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 1.77 ppb (20) 72.0 μg/m3 (58) 6.2 μg/m3 (26) 58.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 27.0 ppb (21) 1.84 ppb (20) 72.0 μg/m3 (58) 13.3 μg/m3 (53) 58.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 26.0 ppb (20) 1.89 ppb (21) 89.0 μg/m3 (67) 20.0 μg/m3 (67) 67.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 15.0 ppb (12) 2.22 ppb (25) 121.0 μg/m3 (83) 33.2 μg/m3 (95) 95.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) 2.54 ppb (28) 85.0 μg/m3 (65) 32.3 μg/m3 (93) 93.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) 2.53 ppb (28) 66.0 μg/m3 (56) 27.8 μg/m3 (84) 84.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) 2.12 ppb (24) 47.0 μg/m3 (43) 21.0 μg/m3 (69) 69.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 48.0 ppb (37) 1.83 ppb (20) 56.0 μg/m3 (50) 23.7 μg/m3 (75) 75.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 57.0 ppb (44) 1.82 ppb (20) 53.0 μg/m3 (48) 14.4 μg/m3 (55) 55.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 60.0 ppb (46) 1.96 ppb (22) 63.0 μg/m3 (54) 15.1 μg/m3 (57) 57.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 68.0 ppb (52) 1.92 ppb (21) 71.0 μg/m3 (58) 17.2 μg/m3 (61) 61.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 67.0 ppb (52) 1.95 ppb (22) 63.0 μg/m3 (54) 13.4 μg/m3 (53) 54.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 1.9 ppb (21) 70.0 μg/m3 (58) 11.3 μg/m3 (47) 58.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (30) 1.96 ppb (22) 76.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 30.0 ppb (23) 1.94 ppb (22) 59.0 μg/m3 (52) 9.7 μg/m3 (40) 52.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 25.0 ppb (19) 1.95 ppb (22) 64.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) 1.96 ppb (22) 42.0 μg/m3 (38) 6.2 μg/m3 (26) 38.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) 1.99 ppb (22) 29.0 μg/m3 (26) 9.6 μg/m3 (40) 40.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) 1.91 ppb (21) 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.77 ppb (20) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 1.7 ppb (19) 13.0 μg/m3 (12) 4.3 μg/m3 (18) 23.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 1.69 ppb (19) 15.0 μg/m3 (14) 1.6 μg/m3 (7) 23.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) 1.71 ppb (19) 26.0 μg/m3 (24) 5.2 μg/m3 (22) 25.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) 1.73 ppb (19) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) 1.72 ppb (19) 30.0 μg/m3 (27) 14.4 μg/m3 (55) 55.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 1.74 ppb (19) 58.0 μg/m3 (52) 1.0 μg/m3 (4) 52.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 1.8 ppb (20) N/A 11.2 μg/m3 (47) 47.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 33.0 ppb (25) 1.84 ppb (20) 194.0 μg/m3 (120) 15.5 μg/m3 (57) 120.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 1.87 ppb (21) N/A 29.1 μg/m3 (86) 86.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) 1.89 ppb (21) N/A 29.8 μg/m3 (88) 88.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (30) 1.97 ppb (22) 49.0 μg/m3 (45) 34.9 μg/m3 (99) 99.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) 1.78 ppb (20) 68.0 μg/m3 (56) 14.2 μg/m3 (55) 56.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) 1.75 ppb (19) 65.0 μg/m3 (55) 7.0 μg/m3 (29) 55.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 65.0 ppb (50) 1.83 ppb (20) 69.0 μg/m3 (57) 14.5 μg/m3 (55) 57.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 73.0 ppb (57) 1.82 ppb (20) 77.0 μg/m3 (61) 16.9 μg/m3 (60) 61.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 75.0 ppb (58) 1.87 ppb (21) 83.0 μg/m3 (64) 17.6 μg/m3 (62) 64.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 73.0 ppb (57) 1.89 ppb (21) 105.0 μg/m3 (75) 16.3 μg/m3 (59) 75.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 66.0 ppb (51) 1.92 ppb (21) 113.0 μg/m3 (79) 19.3 μg/m3 (66) 79.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 54.0 ppb (42) 1.92 ppb (21) 121.0 μg/m3 (83) 18.3 μg/m3 (63) 83.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 41.0 ppb (32) 1.98 ppb (22) 101.0 μg/m3 (73) 25.8 μg/m3 (79) 79.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 2.01 ppb (22) 83.0 μg/m3 (64) 21.9 μg/m3 (71) 71.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 19.0 ppb (15) 2.02 ppb (22) 73.0 μg/m3 (59) 34.2 μg/m3 (97) 97.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 22.0 ppb (17) 1.89 ppb (21) 85.0 μg/m3 (65) 37.6 μg/m3 (105) 105.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (24) 1.82 ppb (20) 76.0 μg/m3 (60) 48.0 μg/m3 (131) 131.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 35.0 ppb (27) 1.8 ppb (20) 75.0 μg/m3 (60) 39.9 μg/m3 (111) 111.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 39.0 ppb (30) 1.79 ppb (20) 71.0 μg/m3 (58) 36.5 μg/m3 (102) 102.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 38.0 ppb (29) 1.79 ppb (20) 72.0 μg/m3 (58) 29.3 μg/m3 (87) 87.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 22.0 ppb (17) 1.82 ppb (20) 72.0 μg/m3 (58) 26.0 μg/m3 (80) 80.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) 1.91 ppb (21) 63.0 μg/m3 (54) 26.6 μg/m3 (81) 81.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 50.0 ppb (38) 1.93 ppb (21) 122.0 μg/m3 (84) 19.3 μg/m3 (66) 84.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 2.3 ppb (26) 105.0 μg/m3 (75) 25.2 μg/m3 (78) 78.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 16.0 ppb (12) 2.37 ppb (26) 111.0 μg/m3 (78) 19.4 μg/m3 (66) 78.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 7.0 ppb (5) 2.25 ppb (25) 93.0 μg/m3 (69) 29.7 μg/m3 (88) 88.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 4.0 ppb (3) 2.25 ppb (25) 62.0 μg/m3 (54) 26.9 μg/m3 (82) 82.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A 14.0 ppb (20) 15.0 ppb (12) 1.95 ppb (22) 68.0 μg/m3 (56) 24.0 μg/m3 (76) 76.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 21.0 ppb (16) 1.99 ppb (22) 76.0 μg/m3 (60) 28.7 μg/m3 (86) 86.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 6.0 ppb (5) 1.91 ppb (21) 68.0 μg/m3 (56) 23.9 μg/m3 (75) 75.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 9.0 ppb (7) 1.94 ppb (22) 46.0 μg/m3 (42) 19.9 μg/m3 (67) 67.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 20.0 ppb (15) 1.84 ppb (20) 66.0 μg/m3 (56) 18.6 μg/m3 (64) 64.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) 1.86 ppb (21) 52.0 μg/m3 (47) 19.8 μg/m3 (67) 67.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) 1.79 ppb (20) 108.0 μg/m3 (76) 11.5 μg/m3 (48) 76.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 1.8 ppb (20) 78.0 μg/m3 (62) 20.1 μg/m3 (67) 67.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.85 ppb (21) 82.0 μg/m3 (64) 26.4 μg/m3 (81) 81.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 2.04 ppb (23) 92.0 μg/m3 (68) 31.5 μg/m3 (91) 91.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 28.0 ppb (22) 1.95 ppb (22) 66.0 μg/m3 (56) 24.3 μg/m3 (76) 76.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 37.0 ppb (28) 1.83 ppb (20) 52.0 μg/m3 (47) 15.8 μg/m3 (58) 58.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 1.74 ppb (19) 57.0 μg/m3 (51) 10.3 μg/m3 (43) 51.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 48.0 ppb (37) 1.7 ppb (19) 44.0 μg/m3 (40) 7.3 μg/m3 (30) 40.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 51.0 ppb (39) 1.73 ppb (19) 90.0 μg/m3 (68) 8.7 μg/m3 (36) 68.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 57.0 ppb (44) 1.8 ppb (20) 76.0 μg/m3 (60) 15.7 μg/m3 (58) 60.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 56.0 ppb (43) 1.84 ppb (20) 61.0 μg/m3 (53) 12.9 μg/m3 (52) 53.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 55.0 ppb (42) 1.79 ppb (20) 67.0 μg/m3 (56) 9.7 μg/m3 (40) 56.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) 1.82 ppb (20) 66.0 μg/m3 (56) 10.8 μg/m3 (45) 56.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) 1.84 ppb (20) 64.0 μg/m3 (54) 11.8 μg/m3 (49) 54.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) 1.93 ppb (21) 67.0 μg/m3 (56) 9.7 μg/m3 (40) 56.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.91 ppb (21) 73.0 μg/m3 (59) 7.7 μg/m3 (32) 59.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) 2.15 ppb (24) 48.0 μg/m3 (44) 18.6 μg/m3 (64) 64.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 1.86 ppb (21) 31.0 μg/m3 (28) 9.3 μg/m3 (39) 39.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) 1.7 ppb (19) 37.0 μg/m3 (34) 14.9 μg/m3 (56) 56.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) 1.69 ppb (19) 37.0 μg/m3 (34) 11.1 μg/m3 (46) 46.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 1.67 ppb (19) 54.0 μg/m3 (49) 15.5 μg/m3 (57) 57.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 15.0 ppb (12) 1.85 ppb (21) 60.0 μg/m3 (52) 18.5 μg/m3 (64) 64.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (10) 1.81 ppb (20) 70.0 μg/m3 (58) 23.8 μg/m3 (75) 75.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 80.0 ppb (62) 1.9 ppb (21) 96.0 μg/m3 (70) 25.1 μg/m3 (78) 78.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 87.0 ppb (68) 1.87 ppb (21) 98.0 μg/m3 (72) 27.1 μg/m3 (82) 82.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 82.0 ppb (64) 1.91 ppb (21) 85.0 μg/m3 (65) 31.3 μg/m3 (91) 91.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 62.0 ppb (48) 1.85 ppb (21) 93.0 μg/m3 (69) 19.9 μg/m3 (67) 69.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (33) 1.9 ppb (21) 100.0 μg/m3 (72) 28.5 μg/m3 (85) 85.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 33.0 ppb (25) 1.94 ppb (22) 89.0 μg/m3 (67) 31.1 μg/m3 (91) 91.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 20.0 ppb (15) 1.97 ppb (22) 78.0 μg/m3 (62) 27.3 μg/m3 (83) 83.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) 2.02 ppb (22) 69.0 μg/m3 (57) 38.9 μg/m3 (108) 108.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) 1.89 ppb (21) 59.0 μg/m3 (52) 34.3 μg/m3 (97) 97.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) 1.77 ppb (20) 49.0 μg/m3 (45) 34.1 μg/m3 (97) 97.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.74 ppb (19) 87.0 μg/m3 (66) 28.3 μg/m3 (85) 85.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.75 ppb (19) 63.0 μg/m3 (54) 36.5 μg/m3 (102) 102.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 1.75 ppb (19) 62.0 μg/m3 (54) 30.0 μg/m3 (88) 88.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) 1.75 ppb (19) 67.0 μg/m3 (56) 35.1 μg/m3 (99) 99.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 19.0 ppb (15) 1.8 ppb (20) 68.0 μg/m3 (56) 27.6 μg/m3 (83) 83.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 21.0 ppb (16) 1.78 ppb (20) 81.0 μg/m3 (63) 29.7 μg/m3 (88) 88.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 29.0 ppb (22) 1.78 ppb (20) 89.0 μg/m3 (67) 32.5 μg/m3 (94) 94.0
 
March 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 28.0 ppb (22) 1.88 ppb (21) 92.0 μg/m3 (68) 38.5 μg/m3 (108) 108.0
 
March 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 1.89 ppb (21) 82.0 μg/m3 (64) 30.2 μg/m3 (89) 89.0
 
March 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (30) 2.08 ppb (23) 85.0 μg/m3 (65) 36.8 μg/m3 (103) 103.0
 
March 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) 1.88 ppb (21) 98.0 μg/m3 (72) 30.4 μg/m3 (89) 89.0
 
March 12, 2019, midnight N/A N/A N/A N/A N/A 11.0 ppb (16) 88.0 ppb (69) 1.8 ppb (20) 89.0 μg/m3 (67) 34.0 μg/m3 (97) 97.0
 
March 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 90.0 ppb (71) 1.78 ppb (20) 76.0 μg/m3 (60) 22.1 μg/m3 (71) 71.0