AQSQID: 000070203

Site Name: Brandon

Location: Brandon, CC

Reporting: True, Located: True

Current AQI: 26.0

Brandon CC, CA: 49.8422, -99.9189

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) 6.3 μg/m3 (26) 26.0
 
March 26, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
March 26, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 21.0
 
March 26, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 4.5 μg/m3 (19) 24.0
 
March 26, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 23.0
 
March 26, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 22.0
 
March 26, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 5.1 μg/m3 (21) 26.0
 
March 26, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 5.8 μg/m3 (24) 25.0
 
March 26, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
March 26, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 25.0 μg/m3 (23) 18.1 μg/m3 (63) 63.0
 
March 26, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 7.2 μg/m3 (30) 30.0
 
March 26, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 6.4 μg/m3 (27) 27.0
 
March 26, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 2.0 μg/m3 (2) 4.2 μg/m3 (18) 30.0
 
March 25, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 3.0 μg/m3 (3) 4.6 μg/m3 (19) 30.0
 
March 25, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 29.0
 
March 25, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 29.0
 
March 25, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 28.0
 
March 25, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 5.2 μg/m3 (22) 27.0
 
March 25, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 4.2 μg/m3 (18) 28.0
 
March 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 27.0
 
March 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
March 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
March 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 10.0 μg/m3 (9) 7.4 μg/m3 (31) 31.0
 
March 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) 9.5 μg/m3 (40) 40.0
 
March 25, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 18.0 μg/m3 (16) 10.4 μg/m3 (43) 43.0
 
March 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 9.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
March 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 13.0
 
March 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 3.0 μg/m3 (3) 3.1 μg/m3 (13) 13.0
 
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 0.0 μg/m3 (0) 2.6 μg/m3 (11) 18.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 0.0 μg/m3 (0) 2.5 μg/m3 (10) 19.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 1.0 μg/m3 (1) 2.3 μg/m3 (10) 16.0
 
March 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 2.0 μg/m3 (2) 2.1 μg/m3 (9) 17.0
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 1.0 μg/m3 (1) 2.1 μg/m3 (9) 18.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 24.0
 
March 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 2.0 μg/m3 (2) 1.7 μg/m3 (7) 28.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 28.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 32.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 0.0 μg/m3 (0) 1.3 μg/m3 (5) 31.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 31.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 31.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 30.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 29.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 29.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 28.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 0.0 μg/m3 (0) 1.2 μg/m3 (5) 29.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) 1.2 μg/m3 (5) 28.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 0.0 μg/m3 (0) 1.2 μg/m3 (5) 28.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 0.0 μg/m3 (0) 1.3 μg/m3 (5) 28.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A -1.0 μg/m3 (0) 1.2 μg/m3 (5) 28.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 0.0 μg/m3 (0) 1.2 μg/m3 (5) 28.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 0.0 μg/m3 (0) 1.1 μg/m3 (5) 28.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 28.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A -1.0 μg/m3 (0) 1.6 μg/m3 (7) 28.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A -1.0 μg/m3 (0) 1.9 μg/m3 (8) 28.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A -1.0 μg/m3 (0) 2.6 μg/m3 (11) 27.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A -1.0 μg/m3 (0) 2.5 μg/m3 (10) 29.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A -1.0 μg/m3 (0) 3.3 μg/m3 (14) 32.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 0.0 μg/m3 (0) 4.3 μg/m3 (18) 31.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 0.0 μg/m3 (0) 5.2 μg/m3 (22) 30.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 0.0 μg/m3 (0) 6.8 μg/m3 (28) 31.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 9.8 μg/m3 (41) 41.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) 9.6 μg/m3 (40) 40.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 9.3 μg/m3 (39) 39.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 6.0 μg/m3 (5) 7.6 μg/m3 (32) 32.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 7.0 μg/m3 (6) 6.5 μg/m3 (27) 30.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 4.9 μg/m3 (20) 29.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 3.1 μg/m3 (13) 28.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 2.5 μg/m3 (10) 27.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.4 μg/m3 (10) 25.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 2.3 μg/m3 (10) 24.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 2.8 μg/m3 (12) 17.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 17.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 18.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 2.7 μg/m3 (11) 21.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 13.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 18.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A -1.0 μg/m3 (0) 3.6 μg/m3 (15) 24.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 4.0 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 7.2 μg/m3 (30) 30.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 6.9 μg/m3 (29) 29.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 4.0 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 5.6 μg/m3 (23) 33.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 5.0 μg/m3 (5) 5.1 μg/m3 (21) 35.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 35.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 35.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 34.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 4.5 μg/m3 (19) 33.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 32.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 25.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 4.6 μg/m3 (19) 25.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 20.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 5.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 23.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 3.0 μg/m3 (3) 4.3 μg/m3 (18) 18.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 0.0 μg/m3 (0) 3.7 μg/m3 (15) 15.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 1.0 μg/m3 (1) 4.4 μg/m3 (18) 18.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 2.0 μg/m3 (2) 4.3 μg/m3 (18) 18.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 3.0 μg/m3 (3) 4.8 μg/m3 (20) 20.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 3.0 μg/m3 (3) 5.8 μg/m3 (24) 24.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 3.0 μg/m3 (3) 5.4 μg/m3 (23) 23.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 3.0 μg/m3 (3) 5.8 μg/m3 (24) 24.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 2.0 μg/m3 (2) 5.9 μg/m3 (25) 27.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 3.0 μg/m3 (3) 5.7 μg/m3 (24) 28.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 3.0 μg/m3 (3) 5.6 μg/m3 (23) 32.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 4.0 μg/m3 (4) 5.1 μg/m3 (21) 33.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 3.0 μg/m3 (3) 4.6 μg/m3 (19) 34.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 35.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 10.0 μg/m3 (9) 5.4 μg/m3 (23) 34.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 35.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 0.0 μg/m3 (0) 3.1 μg/m3 (13) 35.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 0.0 μg/m3 (0) 3.1 μg/m3 (13) 35.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 2.0 μg/m3 (2) 3.6 μg/m3 (15) 34.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 32.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 6.1 μg/m3 (25) 26.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 7.5 μg/m3 (31) 31.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 7.0 μg/m3 (6) 5.4 μg/m3 (23) 23.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 6.7 μg/m3 (28) 28.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 6.2 μg/m3 (26) 26.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 2.0 μg/m3 (2) 5.8 μg/m3 (24) 25.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 3.0 μg/m3 (3) 4.4 μg/m3 (18) 25.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 26.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 2.0 μg/m3 (2) 3.5 μg/m3 (15) 28.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 3.0 μg/m3 (3) 3.5 μg/m3 (15) 30.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 32.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 2.0 μg/m3 (2) 7.6 μg/m3 (32) 33.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 2.0 μg/m3 (2) 7.0 μg/m3 (29) 35.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 2.0 μg/m3 (2) 8.4 μg/m3 (35) 35.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 3.0 μg/m3 (3) 7.3 μg/m3 (30) 35.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 6.7 μg/m3 (28) 37.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 4.0 μg/m3 (4) 5.6 μg/m3 (23) 37.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 6.0 μg/m3 (5) 5.4 μg/m3 (23) 37.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 35.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 35.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (15) 34.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 34.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 3.5 μg/m3 (15) 32.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 3.0 μg/m3 (3) 3.3 μg/m3 (14) 31.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 2.0 μg/m3 (2) 3.8 μg/m3 (16) 30.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 3.0 μg/m3 (3) 4.5 μg/m3 (19) 28.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 29.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 2.0 μg/m3 (2) 6.1 μg/m3 (25) 31.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 2.0 μg/m3 (2) 7.1 μg/m3 (30) 35.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 2.0 μg/m3 (2) 7.9 μg/m3 (33) 36.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 2.0 μg/m3 (2) 8.0 μg/m3 (33) 38.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 3.0 μg/m3 (3) 7.7 μg/m3 (32) 38.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 3.0 μg/m3 (3) 7.9 μg/m3 (33) 37.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 0.0 μg/m3 (0) 2.7 μg/m3 (11) 33.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A -1.0 μg/m3 (0) 3.4 μg/m3 (14) 34.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 0.0 μg/m3 (0) 2.2 μg/m3 (9) 35.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 1.0 μg/m3 (1) 2.4 μg/m3 (10) 35.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 2.0 μg/m3 (2) 2.8 μg/m3 (12) 37.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 2.0 μg/m3 (2) 2.8 μg/m3 (12) 36.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 2.0 μg/m3 (2) 3.4 μg/m3 (14) 36.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 3.0 μg/m3 (3) 3.8 μg/m3 (16) 40.0
 
March 5, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) 4.3 μg/m3 (18) 22.0
 
March 5, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 2.0 μg/m3 (2) 4.8 μg/m3 (20) 20.0
 
March 5, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 24.0
 
March 5, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 1.0 μg/m3 (1) 4.1 μg/m3 (17) 26.0
 
March 5, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 0.0 μg/m3 (0) 5.0 μg/m3 (21) 26.0
 
March 5, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 1.0 μg/m3 (1) 5.1 μg/m3 (21) 25.0
 
March 5, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 25.0
 
March 5, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 6.4 μg/m3 (27) 27.0
 
March 5, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 7.2 μg/m3 (30) 30.0