AQSQID: 800020014

Site Name: Colegio De Bachilleres

Location: Mexicali, MX

Reporting: True, Located: True

Current AQI: 50.0

Mexicali MX, MX: 32.6336, -115.5042

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 7 p.m. N/A 6.7 ppb (6) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 1.15 ppb (13) N/A 12.0 μg/m3 (50) 50.0
 
March 23, 2019, 6 p.m. N/A 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 1.14 ppb (13) N/A 13.0 μg/m3 (52) 52.0
 
March 23, 2019, 5 p.m. N/A 7.1 ppb (7) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 1.22 ppb (14) N/A 14.0 μg/m3 (54) 54.0
 
March 23, 2019, 4 p.m. N/A 8.4 ppb (8) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 1.31 ppb (15) N/A 19.0 μg/m3 (65) 65.0
 
March 23, 2019, 3 p.m. N/A 10.8 ppb (10) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 1.41 ppb (16) N/A 34.0 μg/m3 (97) 97.0
 
March 23, 2019, 2 p.m. N/A 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 1.17 ppb (13) N/A 47.0 μg/m3 (129) 129.0
 
March 23, 2019, 1 p.m. N/A 5.2 ppb (5) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 1.09 ppb (12) N/A 8.0 μg/m3 (33) 33.0
 
March 23, 2019, noon N/A 5.0 ppb (5) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 1.12 ppb (12) N/A 24.0 μg/m3 (76) 76.0
 
March 23, 2019, 11 a.m. N/A 5.5 ppb (5) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 1.09 ppb (12) N/A 12.0 μg/m3 (50) 50.0
 
March 23, 2019, 10 a.m. N/A 5.9 ppb (5) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 1.07 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 9 a.m. N/A 6.8 ppb (6) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 1.15 ppb (13) N/A 11.0 μg/m3 (46) 46.0
 
March 23, 2019, 8 a.m. N/A 13.9 ppb (13) N/A 28.0 ppb (26) N/A N/A 6.0 ppb (5) 1.59 ppb (18) N/A 30.0 μg/m3 (88) 88.0
 
March 23, 2019, 7 a.m. N/A 61.8 ppb (58) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 2.42 ppb (27) N/A 61.0 μg/m3 (153) 153.0
 
March 23, 2019, 6 a.m. N/A 37.7 ppb (35) N/A 41.0 ppb (38) N/A N/A 2.0 ppb (2) 2.21 ppb (25) N/A 49.0 μg/m3 (134) 134.0
 
March 23, 2019, 5 a.m. N/A 33.7 ppb (31) N/A 44.0 ppb (41) N/A N/A 2.0 ppb (2) 2.06 ppb (23) N/A 32.0 μg/m3 (93) 93.0
 
March 23, 2019, 4 a.m. N/A 29.1 ppb (27) N/A 46.0 ppb (43) N/A N/A 2.0 ppb (2) 1.87 ppb (21) N/A 17.0 μg/m3 (61) 61.0
 
March 23, 2019, 3 a.m. N/A 10.9 ppb (10) N/A 30.0 ppb (28) N/A N/A 15.0 ppb (12) 1.46 ppb (16) N/A 16.0 μg/m3 (59) 59.0
 
March 23, 2019, 2 a.m. N/A 5.9 ppb (5) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 1.06 ppb (12) N/A 6.0 μg/m3 (25) 33.0
 
March 23, 2019, 1 a.m. N/A 6.1 ppb (6) N/A -2.0 ppb (0) N/A N/A 45.0 ppb (35) 1.0 ppb (11) N/A 8.0 μg/m3 (33) 35.0
 
March 23, 2019, midnight N/A 5.8 ppb (5) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 1.03 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
March 22, 2019, 11 p.m. N/A 5.7 ppb (5) N/A -2.0 ppb (0) N/A N/A 44.0 ppb (34) 1.02 ppb (11) N/A 6.0 μg/m3 (25) 34.0
 
March 22, 2019, 10 p.m. N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A 43.0 ppb (33) 1.0 ppb (11) N/A 5.0 μg/m3 (21) 33.0
 
March 22, 2019, 9 p.m. N/A 6.5 ppb (6) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) 1.03 ppb (11) N/A 5.0 μg/m3 (21) 32.0
 
March 22, 2019, 8 p.m. N/A 5.8 ppb (5) N/A -1.0 ppb (0) N/A N/A 38.0 ppb (29) 1.02 ppb (11) N/A 5.0 μg/m3 (21) 29.0
 
March 22, 2019, 7 p.m. N/A 5.7 ppb (5) N/A -2.0 ppb (0) N/A N/A 37.0 ppb (28) 0.99 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 22, 2019, 6 p.m. N/A 5.6 ppb (5) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 1.0 ppb (11) N/A 4.0 μg/m3 (17) 28.0
 
March 22, 2019, 5 p.m. N/A 5.8 ppb (5) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 1.0 ppb (11) N/A 2.0 μg/m3 (8) 28.0
 
March 22, 2019, 4 p.m. N/A 7.2 ppb (7) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 1.12 ppb (12) N/A 3.0 μg/m3 (12) 21.0
 
March 22, 2019, 3 p.m. N/A 8.1 ppb (8) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 1.31 ppb (15) N/A 23.0 μg/m3 (73) 73.0
 
March 22, 2019, 2 p.m. N/A 5.7 ppb (5) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 1.1 ppb (12) N/A 18.0 μg/m3 (63) 63.0
 
March 22, 2019, 1 p.m. N/A 5.6 ppb (5) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 1.03 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
March 22, 2019, noon N/A 5.4 ppb (5) N/A -3.0 ppb (0) N/A N/A 31.0 ppb (24) 1.0 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 11 a.m. N/A 5.2 ppb (5) N/A -3.0 ppb (0) N/A N/A 32.0 ppb (25) 0.99 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 10 a.m. N/A 5.4 ppb (5) N/A -1.0 ppb (0) N/A N/A 29.0 ppb (22) 1.01 ppb (11) N/A 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 9 a.m. N/A 5.6 ppb (5) N/A -2.0 ppb (0) N/A N/A 30.0 ppb (23) 1.0 ppb (11) N/A 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 8 a.m. N/A 5.6 ppb (5) N/A -2.0 ppb (0) N/A N/A 32.0 ppb (25) 1.0 ppb (11) N/A 5.0 μg/m3 (21) 25.0
 
March 22, 2019, 7 a.m. N/A 5.5 ppb (5) N/A -3.0 ppb (0) N/A N/A 35.0 ppb (27) 0.99 ppb (11) N/A 5.0 μg/m3 (21) 27.0
 
March 22, 2019, 6 a.m. N/A 5.4 ppb (5) N/A -3.0 ppb (0) N/A N/A 36.0 ppb (28) 0.99 ppb (11) N/A 4.0 μg/m3 (17) 28.0
 
March 22, 2019, 5 a.m. N/A 5.4 ppb (5) N/A -2.0 ppb (0) N/A N/A 37.0 ppb (28) 0.99 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 22, 2019, 4 a.m. N/A 5.3 ppb (5) N/A -1.0 ppb (0) N/A N/A 35.0 ppb (27) 1.01 ppb (11) N/A 3.0 μg/m3 (12) 27.0
 
March 22, 2019, 3 a.m. N/A 5.3 ppb (5) N/A -1.0 ppb (0) N/A N/A 32.0 ppb (25) 1.01 ppb (11) N/A 4.0 μg/m3 (17) 25.0
 
March 22, 2019, 2 a.m. N/A 5.4 ppb (5) N/A -2.0 ppb (0) N/A N/A 34.0 ppb (26) 0.99 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 1 a.m. N/A 5.4 ppb (5) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 1.0 ppb (11) N/A 4.0 μg/m3 (17) 28.0
 
March 22, 2019, midnight N/A 5.9 ppb (5) N/A -1.0 ppb (0) N/A N/A 37.0 ppb (28) 1.0 ppb (11) N/A 3.0 μg/m3 (12) 28.0
 
March 21, 2019, 11 p.m. N/A 7.1 ppb (7) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 1.09 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 10 p.m. N/A 7.2 ppb (7) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 1.06 ppb (12) N/A 10.0 μg/m3 (42) 42.0
 
March 21, 2019, 9 p.m. N/A 11.9 ppb (11) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 1.15 ppb (13) N/A 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 8 p.m. N/A 5.7 ppb (5) N/A -2.0 ppb (0) N/A N/A 39.0 ppb (30) 1.01 ppb (11) N/A 4.0 μg/m3 (17) 30.0
 
March 21, 2019, 7 p.m. N/A 5.4 ppb (5) N/A -2.0 ppb (0) N/A N/A 38.0 ppb (29) 0.98 ppb (11) N/A 5.0 μg/m3 (21) 29.0
 
March 21, 2019, 6 p.m. N/A 5.5 ppb (5) N/A -2.0 ppb (0) N/A N/A 37.0 ppb (28) 1.0 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 21, 2019, 5 p.m. N/A 5.7 ppb (5) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 1.02 ppb (11) N/A 5.0 μg/m3 (21) 27.0
 
March 21, 2019, 4 p.m. N/A 5.7 ppb (5) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 1.05 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 3 p.m. N/A 5.6 ppb (5) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 1.1 ppb (12) N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 2 p.m. N/A 5.8 ppb (5) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 1.15 ppb (13) N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 1 p.m. N/A 5.4 ppb (5) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 1.02 ppb (11) N/A 4.0 μg/m3 (17) 27.0
 
March 21, 2019, noon N/A 5.3 ppb (5) N/A -3.0 ppb (0) N/A N/A 36.0 ppb (28) 1.0 ppb (11) N/A 3.0 μg/m3 (12) 28.0
 
March 21, 2019, 11 a.m. N/A 5.2 ppb (5) N/A -4.0 ppb (0) N/A N/A 39.0 ppb (30) 0.96 ppb (11) N/A 4.0 μg/m3 (17) 30.0
 
March 21, 2019, 10 a.m. N/A 4.9 ppb (5) N/A -4.0 ppb (0) N/A N/A 39.0 ppb (30) 0.97 ppb (11) N/A 4.0 μg/m3 (17) 30.0
 
March 21, 2019, 9 a.m. N/A 5.1 ppb (5) N/A -4.0 ppb (0) N/A N/A 38.0 ppb (29) 0.98 ppb (11) N/A 5.0 μg/m3 (21) 29.0
 
March 21, 2019, 8 a.m. N/A 5.1 ppb (5) N/A -3.0 ppb (0) N/A N/A 37.0 ppb (28) 0.97 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 21, 2019, 7 a.m. N/A 4.7 ppb (4) N/A -3.0 ppb (0) N/A N/A 37.0 ppb (28) 0.97 ppb (11) N/A 3.0 μg/m3 (12) 28.0
 
March 21, 2019, 6 a.m. N/A 4.6 ppb (4) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 0.98 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 21, 2019, 5 a.m. N/A 4.5 ppb (4) N/A -2.0 ppb (0) N/A N/A 35.0 ppb (27) 0.98 ppb (11) N/A 5.0 μg/m3 (21) 27.0
 
March 21, 2019, 4 a.m. N/A 4.5 ppb (4) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 1.0 ppb (11) N/A 5.0 μg/m3 (21) 28.0
 
March 21, 2019, 3 a.m. N/A 4.4 ppb (4) N/A -2.0 ppb (0) N/A N/A 35.0 ppb (27) 1.0 ppb (11) N/A 6.0 μg/m3 (25) 27.0
 
March 21, 2019, 2 a.m. N/A 4.5 ppb (4) N/A -2.0 ppb (0) N/A N/A 36.0 ppb (28) 0.98 ppb (11) N/A 20.0 μg/m3 (67) 67.0
 
March 21, 2019, 1 a.m. N/A 4.4 ppb (4) N/A -2.0 ppb (0) N/A N/A 38.0 ppb (29) 0.98 ppb (11) N/A 10.0 μg/m3 (42) 42.0
 
March 21, 2019, midnight N/A 4.4 ppb (4) N/A -1.0 ppb (0) N/A N/A 37.0 ppb (28) 0.97 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 11 p.m. N/A 4.1 ppb (4) N/A -2.0 ppb (0) N/A N/A 35.0 ppb (27) 0.96 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 10 p.m. N/A 4.2 ppb (4) N/A -1.0 ppb (0) N/A N/A 34.0 ppb (26) 0.97 ppb (11) N/A 6.0 μg/m3 (25) 26.0
 
March 20, 2019, 9 p.m. N/A 4.4 ppb (4) N/A -1.0 ppb (0) N/A N/A 35.0 ppb (27) 0.98 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 8 p.m. N/A 8.7 ppb (8) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 1.2 ppb (13) N/A 15.0 μg/m3 (56) 56.0
 
March 20, 2019, 7 p.m. N/A 24.5 ppb (23) N/A 31.0 ppb (29) N/A N/A 14.0 ppb (11) 1.44 ppb (16) N/A 29.0 μg/m3 (86) 86.0
 
March 20, 2019, 6 p.m. N/A 25.7 ppb (24) N/A 34.0 ppb (31) N/A N/A 10.0 ppb (8) 1.62 ppb (18) N/A 31.0 μg/m3 (90) 90.0
 
March 20, 2019, 5 p.m. N/A 24.7 ppb (23) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) 1.62 ppb (18) N/A 25.0 μg/m3 (78) 78.0
 
March 20, 2019, 4 p.m. N/A 27.1 ppb (25) N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 1.67 ppb (19) N/A 21.0 μg/m3 (69) 69.0
 
March 20, 2019, 3 p.m. N/A 5.7 ppb (5) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 1.33 ppb (15) N/A 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 2 p.m. N/A 7.7 ppb (7) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 1.21 ppb (13) N/A 21.0 μg/m3 (69) 69.0
 
March 20, 2019, 1 p.m. N/A 8.9 ppb (8) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 1.2 ppb (13) N/A 29.0 μg/m3 (86) 86.0
 
March 20, 2019, noon N/A 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 1.06 ppb (12) N/A 26.0 μg/m3 (80) 80.0
 
March 20, 2019, 11 a.m. N/A 5.1 ppb (5) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.99 ppb (11) N/A 19.0 μg/m3 (65) 65.0
 
March 20, 2019, 10 a.m. N/A 4.6 ppb (4) N/A -1.0 ppb (0) N/A N/A 28.0 ppb (22) 0.97 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 9 a.m. N/A 4.4 ppb (4) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) 0.99 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 8 a.m. N/A 4.8 ppb (4) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 1.01 ppb (11) N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 7 a.m. N/A 10.9 ppb (10) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 1.25 ppb (14) N/A 19.0 μg/m3 (65) 65.0
 
March 20, 2019, 6 a.m. N/A 11.1 ppb (10) N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 1.3 ppb (14) N/A 12.0 μg/m3 (50) 50.0
 
March 20, 2019, 5 a.m. N/A 8.6 ppb (8) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 1.19 ppb (13) N/A 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 4 a.m. N/A 9.4 ppb (9) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 1.15 ppb (13) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 3 a.m. N/A 10.8 ppb (10) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 1.19 ppb (13) N/A 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 2 a.m. N/A 8.7 ppb (8) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 1.09 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, 1 a.m. N/A 8.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 1.07 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 20, 2019, midnight N/A 7.8 ppb (7) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 1.06 ppb (12) N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 11 p.m. N/A 6.4 ppb (6) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 1.06 ppb (12) N/A 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 10 p.m. N/A 6.8 ppb (6) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 1.07 ppb (12) N/A 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 9 p.m. N/A 7.9 ppb (7) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 1.13 ppb (13) N/A 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 8 p.m. N/A 8.6 ppb (8) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) 1.17 ppb (13) N/A 14.0 μg/m3 (54) 54.0
 
March 19, 2019, 7 p.m. N/A 7.6 ppb (7) N/A 18.0 ppb (17) N/A N/A 35.0 ppb (27) 1.31 ppb (15) N/A 24.0 μg/m3 (76) 76.0
 
March 19, 2019, 6 p.m. N/A 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 1.16 ppb (13) N/A 12.0 μg/m3 (50) 50.0
 
March 19, 2019, 5 p.m. N/A 9.4 ppb (9) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 1.2 ppb (13) N/A 16.0 μg/m3 (59) 59.0
 
March 19, 2019, 4 p.m. N/A 52.1 ppb (48) N/A 29.0 ppb (27) N/A N/A 9.0 ppb (7) 1.89 ppb (21) N/A 37.0 μg/m3 (104) 104.0
 
March 19, 2019, 3 p.m. N/A 117.2 ppb (103) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 2.9 ppb (32) N/A 60.0 μg/m3 (152) 152.0
 
March 19, 2019, 2 p.m. N/A 69.0 ppb (66) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 2.08 ppb (23) N/A 54.0 μg/m3 (146) 146.0
 
March 19, 2019, 1 p.m. N/A 14.8 ppb (14) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 1.5 ppb (17) N/A 51.0 μg/m3 (139) 139.0
 
March 19, 2019, noon N/A 16.2 ppb (15) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 1.49 ppb (17) N/A 51.0 μg/m3 (139) 139.0
 
March 19, 2019, 11 a.m. N/A 7.8 ppb (7) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) 1.42 ppb (16) N/A 22.0 μg/m3 (71) 71.0
 
March 19, 2019, 10 a.m. N/A 5.7 ppb (5) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 1.22 ppb (14) N/A 19.0 μg/m3 (65) 65.0
 
March 19, 2019, 9 a.m. N/A 7.0 ppb (6) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 1.14 ppb (13) N/A 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 8 a.m. N/A 6.5 ppb (6) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 1.13 ppb (13) N/A 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 7 a.m. N/A 36.3 ppb (34) N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) 1.83 ppb (20) N/A 39.0 μg/m3 (109) 109.0
 
March 19, 2019, 6 a.m. N/A 37.7 ppb (35) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 1.89 ppb (21) N/A 50.0 μg/m3 (136) 136.0
 
March 19, 2019, 5 a.m. N/A 24.9 ppb (23) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 1.71 ppb (19) N/A 30.0 μg/m3 (88) 88.0
 
March 19, 2019, 4 a.m. N/A 49.4 ppb (46) N/A 43.0 ppb (40) N/A N/A 2.0 ppb (2) 2.02 ppb (22) N/A 28.0 μg/m3 (84) 84.0
 
March 19, 2019, 3 a.m. N/A 23.7 ppb (22) N/A 35.0 ppb (32) N/A N/A 9.0 ppb (7) 1.73 ppb (19) N/A 24.0 μg/m3 (76) 76.0
 
March 19, 2019, 2 a.m. N/A 12.6 ppb (12) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 1.22 ppb (14) N/A 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 1 a.m. N/A 9.1 ppb (8) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 1.09 ppb (12) N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, midnight N/A 8.5 ppb (8) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 1.06 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 11 p.m. N/A 5.6 ppb (5) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 1.0 ppb (11) N/A 6.0 μg/m3 (25) 30.0
 
March 18, 2019, 10 p.m. N/A 5.6 ppb (5) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 1.02 ppb (11) N/A 6.0 μg/m3 (25) 31.0
 
March 18, 2019, 9 p.m. N/A 5.9 ppb (5) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 1.03 ppb (11) N/A 6.0 μg/m3 (25) 30.0
 
March 18, 2019, 8 p.m. N/A 6.0 ppb (6) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) 1.08 ppb (12) N/A 6.0 μg/m3 (25) 30.0
 
March 18, 2019, 7 p.m. N/A 5.2 ppb (5) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 1.07 ppb (12) N/A 6.0 μg/m3 (25) 26.0
 
March 18, 2019, 6 p.m. N/A 5.5 ppb (5) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 1.05 ppb (12) N/A 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 5 p.m. N/A 6.5 ppb (6) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 1.05 ppb (12) N/A 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 4 p.m. N/A 13.4 ppb (12) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 1.35 ppb (15) N/A 19.0 μg/m3 (65) 65.0
 
March 18, 2019, 3 p.m. N/A 38.7 ppb (36) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 1.74 ppb (19) N/A 19.0 μg/m3 (65) 65.0
 
March 18, 2019, 2 p.m. N/A 27.7 ppb (26) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 1.45 ppb (16) N/A 16.0 μg/m3 (59) 59.0
 
March 18, 2019, 1 p.m. N/A 15.0 ppb (14) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 1.3 ppb (14) N/A 18.0 μg/m3 (63) 63.0
 
March 18, 2019, noon N/A 5.3 ppb (5) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 1.3 ppb (14) N/A 35.0 μg/m3 (99) 99.0
 
March 18, 2019, 11 a.m. N/A 5.2 ppb (5) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 1.34 ppb (15) N/A 29.0 μg/m3 (86) 86.0
 
March 18, 2019, 10 a.m. N/A 5.8 ppb (5) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 1.28 ppb (14) N/A 21.0 μg/m3 (69) 69.0
 
March 18, 2019, 9 a.m. N/A 7.5 ppb (7) N/A 21.0 ppb (19) N/A N/A 8.0 ppb (6) 1.48 ppb (16) N/A 26.0 μg/m3 (80) 80.0
 
March 18, 2019, 8 a.m. N/A 10.6 ppb (10) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 1.58 ppb (18) N/A 19.0 μg/m3 (65) 65.0
 
March 18, 2019, 7 a.m. N/A 17.6 ppb (16) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 1.72 ppb (19) N/A 21.0 μg/m3 (69) 69.0
 
March 18, 2019, 6 a.m. N/A 60.3 ppb (57) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 2.34 ppb (26) N/A 33.0 μg/m3 (95) 95.0
 
March 18, 2019, 5 a.m. N/A 35.6 ppb (33) N/A 32.0 ppb (30) N/A N/A 9.0 ppb (7) 1.96 ppb (22) N/A 44.0 μg/m3 (121) 121.0
 
March 18, 2019, 4 a.m. N/A 5.9 ppb (5) N/A 30.0 ppb (28) N/A N/A 9.0 ppb (7) 1.54 ppb (17) N/A 37.0 μg/m3 (104) 104.0
 
March 18, 2019, 3 a.m. N/A 5.6 ppb (5) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 1.39 ppb (15) N/A 27.0 μg/m3 (82) 82.0
 
March 18, 2019, 2 a.m. N/A 5.2 ppb (5) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 1.04 ppb (12) N/A 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 1 a.m. N/A 5.5 ppb (5) N/A -1.0 ppb (0) N/A N/A 42.0 ppb (32) 0.97 ppb (11) N/A 7.0 μg/m3 (29) 32.0
 
March 18, 2019, midnight N/A 5.5 ppb (5) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.97 ppb (11) N/A 5.0 μg/m3 (21) 31.0
 
March 17, 2019, 11 p.m. N/A 5.5 ppb (5) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.98 ppb (11) N/A 6.0 μg/m3 (25) 31.0
 
March 17, 2019, 10 p.m. N/A 5.2 ppb (5) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.96 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, 9 p.m. N/A 5.2 ppb (5) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) 0.97 ppb (11) N/A 5.0 μg/m3 (21) 27.0
 
March 17, 2019, 8 p.m. N/A 5.8 ppb (5) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.99 ppb (11) N/A 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 7 p.m. N/A 6.4 ppb (6) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 1.04 ppb (12) N/A 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 6 p.m. N/A 6.7 ppb (6) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 1.07 ppb (12) N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 5 p.m. N/A 14.6 ppb (14) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (19) 1.36 ppb (15) N/A 25.0 μg/m3 (78) 78.0
 
March 17, 2019, 4 p.m. N/A 47.4 ppb (44) N/A 33.0 ppb (31) N/A N/A 9.0 ppb (7) 2.03 ppb (23) N/A 44.0 μg/m3 (121) 121.0
 
March 17, 2019, 3 p.m. N/A 85.2 ppb (83) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 2.39 ppb (27) N/A 39.0 μg/m3 (109) 109.0
 
March 17, 2019, 2 p.m. N/A 84.5 ppb (82) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 2.36 ppb (26) N/A 35.0 μg/m3 (99) 99.0
 
March 17, 2019, 1 p.m. N/A 14.7 ppb (14) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 1.58 ppb (18) N/A 49.0 μg/m3 (134) 134.0
 
March 17, 2019, noon N/A 15.1 ppb (14) N/A 23.0 ppb (21) N/A N/A 4.0 ppb (3) 1.58 ppb (18) N/A 29.0 μg/m3 (86) 86.0
 
March 17, 2019, 11 a.m. N/A 29.0 ppb (27) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 1.67 ppb (19) N/A 31.0 μg/m3 (90) 90.0
 
March 17, 2019, 10 a.m. N/A 28.9 ppb (27) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 1.67 ppb (19) N/A 26.0 μg/m3 (80) 80.0
 
March 17, 2019, 9 a.m. N/A 6.5 ppb (6) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 1.25 ppb (14) N/A 17.0 μg/m3 (61) 61.0
 
March 17, 2019, 8 a.m. N/A 5.6 ppb (5) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 1.15 ppb (13) N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 7 a.m. N/A 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 1.17 ppb (13) N/A 10.0 μg/m3 (42) 42.0
 
March 17, 2019, 6 a.m. N/A 5.8 ppb (5) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 1.22 ppb (14) N/A 17.0 μg/m3 (61) 61.0
 
March 17, 2019, 5 a.m. N/A 8.9 ppb (8) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 1.53 ppb (17) N/A 29.0 μg/m3 (86) 86.0
 
March 17, 2019, 4 a.m. N/A 6.5 ppb (6) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 1.35 ppb (15) N/A 20.0 μg/m3 (67) 67.0
 
March 17, 2019, 3 a.m. N/A 6.1 ppb (6) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 1.16 ppb (13) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 2 a.m. N/A 6.1 ppb (6) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 1.04 ppb (12) N/A 5.0 μg/m3 (21) 26.0
 
March 17, 2019, 1 a.m. N/A 6.7 ppb (6) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 1.02 ppb (11) N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, midnight N/A 6.3 ppb (6) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 1.0 ppb (11) N/A 4.0 μg/m3 (17) 29.0
 
March 16, 2019, 11 p.m. N/A 7.4 ppb (7) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 1.01 ppb (11) N/A 6.0 μg/m3 (25) 28.0
 
March 16, 2019, 10 p.m. N/A 6.5 ppb (6) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) 1.0 ppb (11) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 9 p.m. N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 1.01 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
March 16, 2019, 8 p.m. N/A 6.3 ppb (6) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 1.01 ppb (11) N/A 8.0 μg/m3 (33) 33.0