AQSQID: 380171004

Site Name: Fargo Nw

Location: Reiles Acres, ND

Reporting: True, Located: True

Current AQI: 19.0

Reiles Acres ND, US: 46.933601, -96.854698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 16, 2019, 4 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) N/A -1.0 μg/m3 (0) 4.5 μg/m3 (19) 19.0
 
July 16, 2019, 3 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A -1.0 μg/m3 (0) 2.9 μg/m3 (12) 22.0
 
July 16, 2019, 2 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 29.0 μg/m3 (26) 4.7 μg/m3 (20) 27.0
 
July 16, 2019, 1 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 51.0 μg/m3 (46) 5.4 μg/m3 (23) 46.0
 
July 16, 2019, midnight 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 19.0 μg/m3 (17) -1.9 μg/m3 (0) 28.0
 
July 15, 2019, 11 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 23.0 μg/m3 (21) -0.4 μg/m3 (0) 29.0
 
July 15, 2019, 10 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 23.0 μg/m3 (21) 3.3 μg/m3 (14) 31.0
 
July 15, 2019, 9 p.m. 1.5 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 58.0 μg/m3 (52) 7.7 μg/m3 (32) 52.0
 
July 15, 2019, 8 p.m. 2.7 ppb (3) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 15.2 μg/m3 (57) 57.0
 
July 15, 2019, 7 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 3.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
July 13, 2019, 10 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 26.0 μg/m3 (24) 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 9 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 32.0 μg/m3 (29) 6.7 μg/m3 (28) 29.0
 
July 13, 2019, 8 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 33.0 μg/m3 (30) 7.9 μg/m3 (33) 33.0
 
July 13, 2019, 7 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 41.0 μg/m3 (37) -4.2 μg/m3 (0) 37.0
 
July 13, 2019, 6 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 27.0 μg/m3 (25) 2.9 μg/m3 (12) 25.0
 
July 13, 2019, 5 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 20.0 μg/m3 (18) 2.9 μg/m3 (12) 25.0
 
July 13, 2019, 4 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 11.0 μg/m3 (10) 3.3 μg/m3 (14) 25.0
 
July 13, 2019, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 5.6 μg/m3 (23) 24.0
 
July 13, 2019, 2 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 6.8 μg/m3 (28) 28.0
 
July 13, 2019, 1 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 25.0 μg/m3 (23) 5.8 μg/m3 (24) 24.0
 
July 13, 2019, noon 15.6 ppb (14) 5.6 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
July 13, 2019, 11 a.m. 13.3 ppb (12) 3.6 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 10 a.m. 8.7 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 5.0 ppb (4) N/A 12.0 μg/m3 (11) 3.4 μg/m3 (14) 14.0
 
July 13, 2019, 9 a.m. 6.6 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 9.0 ppb (7) N/A 15.0 μg/m3 (14) 4.1 μg/m3 (17) 17.0
 
July 13, 2019, 8 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 8.0 ppb (6) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
July 13, 2019, 7 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 6 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 11.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 5 a.m. 6.3 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 4 a.m. 7.8 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 3 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
July 13, 2019, 2 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 7.0 μg/m3 (6) 6.1 μg/m3 (25) 25.0
 
July 13, 2019, 1 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
July 13, 2019, midnight 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 24.0
 
July 12, 2019, 11 p.m. 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 25.0
 
July 12, 2019, 10 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 25.0 μg/m3 (23) 5.4 μg/m3 (23) 26.0
 
July 12, 2019, 9 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 26.0 μg/m3 (24) 6.7 μg/m3 (28) 28.0
 
July 12, 2019, 8 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 27.0 μg/m3 (25) 9.2 μg/m3 (38) 38.0
 
July 12, 2019, 7 p.m. 2.3 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 25.0 μg/m3 (23) 8.6 μg/m3 (36) 36.0
 
July 12, 2019, 6 p.m. 2.7 ppb (3) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 22.0 μg/m3 (20) 10.3 μg/m3 (43) 43.0
 
July 12, 2019, 5 p.m. 2.5 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 15.0 μg/m3 (14) 9.9 μg/m3 (41) 41.0
 
July 12, 2019, 4 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 17.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
July 12, 2019, 3 p.m. 3.2 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
July 12, 2019, 2 p.m. 2.5 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 17.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
July 12, 2019, 1 p.m. 2.6 ppb (2) 1.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 22.0 μg/m3 (20) 14.5 μg/m3 (55) 55.0
 
July 12, 2019, noon 4.9 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
July 12, 2019, 11 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 15.0 μg/m3 (14) 8.8 μg/m3 (37) 37.0
 
July 12, 2019, 10 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 9.0 μg/m3 (8) 11.3 μg/m3 (47) 47.0
 
July 12, 2019, 9 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 33.0 μg/m3 (30) 13.6 μg/m3 (53) 53.0
 
July 12, 2019, 8 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
July 12, 2019, 7 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
July 12, 2019, 6 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
July 12, 2019, 5 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 22.0 μg/m3 (20) 7.7 μg/m3 (32) 32.0
 
July 12, 2019, 4 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 21.0 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
July 12, 2019, 3 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 4.0 μg/m3 (4) 6.2 μg/m3 (26) 26.0
 
July 12, 2019, 2 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 8.0 μg/m3 (7) 6.5 μg/m3 (27) 27.0
 
July 12, 2019, 1 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
July 12, 2019, midnight 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 22.0 μg/m3 (20) 9.3 μg/m3 (39) 39.0
 
July 11, 2019, 11 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 31.0 μg/m3 (28) 7.7 μg/m3 (32) 32.0
 
July 11, 2019, 10 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 29.0 μg/m3 (26) 8.5 μg/m3 (35) 35.0
 
July 11, 2019, 9 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 30.0 μg/m3 (27) 9.5 μg/m3 (40) 40.0
 
July 11, 2019, 8 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 26.0 μg/m3 (24) 7.7 μg/m3 (32) 32.0
 
July 11, 2019, 7 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 27.0 μg/m3 (25) 7.8 μg/m3 (32) 32.0
 
July 11, 2019, 6 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 21.0 μg/m3 (19) 13.3 μg/m3 (53) 53.0
 
July 11, 2019, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
July 11, 2019, 4 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 25.0 μg/m3 (23) 8.4 μg/m3 (35) 35.0
 
July 11, 2019, 3 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
July 11, 2019, 2 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 30.0 μg/m3 (27) 13.4 μg/m3 (53) 53.0
 
July 11, 2019, 1 p.m. 13.3 ppb (12) 6.7 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 42.0 μg/m3 (38) 14.6 μg/m3 (56) 56.0
 
July 11, 2019, noon 37.9 ppb (35) 26.9 ppb (25) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 25.0 μg/m3 (23) 8.5 μg/m3 (35) 35.0
 
July 11, 2019, 11 a.m. 29.1 ppb (27) 20.6 ppb (19) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 0.0 ppb (0) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 27.0
 
July 11, 2019, 10 a.m. 11.4 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 7.0 μg/m3 (6) 6.9 μg/m3 (29) 29.0
 
July 11, 2019, 9 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 5.0 ppb (4) N/A 10.0 μg/m3 (9) 8.8 μg/m3 (37) 37.0
 
July 11, 2019, 8 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 4.0 μg/m3 (4) 7.9 μg/m3 (33) 33.0
 
July 11, 2019, 7 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 3.0 μg/m3 (3) 7.7 μg/m3 (32) 32.0
 
July 11, 2019, 6 a.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 5.0 μg/m3 (5) 9.1 μg/m3 (38) 38.0
 
July 11, 2019, 5 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 9.0 ppb (7) N/A 11.0 μg/m3 (10) 8.7 μg/m3 (36) 36.0
 
July 11, 2019, 4 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
July 11, 2019, 3 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 2 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
July 11, 2019, 1 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
July 11, 2019, midnight 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 63.0 μg/m3 (54) 8.0 μg/m3 (33) 54.0
 
July 10, 2019, 11 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 23.0 μg/m3 (21) 7.9 μg/m3 (33) 33.0
 
July 10, 2019, 10 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 23.0 μg/m3 (21) 8.1 μg/m3 (34) 34.0
 
July 10, 2019, 9 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 26.0 μg/m3 (24) 10.1 μg/m3 (42) 42.0
 
July 10, 2019, 8 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 27.0 μg/m3 (25) 12.5 μg/m3 (51) 51.0
 
July 10, 2019, 7 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
July 10, 2019, 6 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 22.0 μg/m3 (20) 11.6 μg/m3 (48) 48.0
 
July 10, 2019, 5 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 15.0 μg/m3 (14) 10.5 μg/m3 (44) 44.0
 
July 10, 2019, 4 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
July 10, 2019, 3 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 5.2 μg/m3 (22) 25.0
 
July 10, 2019, 2 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 6.0 μg/m3 (5) 2.7 μg/m3 (11) 29.0
 
July 10, 2019, 1 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 30.0
 
July 10, 2019, noon 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
July 10, 2019, 11 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
July 10, 2019, 10 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
July 10, 2019, 9 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 22.0
 
July 10, 2019, 8 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 6.0 μg/m3 (5) 4.5 μg/m3 (19) 23.0
 
July 10, 2019, 7 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A -3.0 μg/m3 (0) 4.5 μg/m3 (19) 24.0
 
July 10, 2019, 6 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A -5.0 μg/m3 (0) 5.5 μg/m3 (23) 25.0
 
July 10, 2019, 5 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A -4.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
July 10, 2019, 4 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A -1.0 μg/m3 (0) 2.2 μg/m3 (9) 24.0
 
July 10, 2019, 3 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 24.0
 
July 10, 2019, 2 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 12.0 μg/m3 (11) 3.8 μg/m3 (16) 23.0
 
July 10, 2019, 1 a.m. 5.9 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A -1.0 μg/m3 (0) 3.8 μg/m3 (16) 25.0
 
July 10, 2019, midnight 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) N/A -5.0 μg/m3 (0) 6.3 μg/m3 (26) 31.0
 
July 9, 2019, 11 p.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 18.0 μg/m3 (16) 6.8 μg/m3 (28) 28.0
 
July 9, 2019, 10 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 24.0
 
July 9, 2019, 9 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 28.0
 
July 9, 2019, 8 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 25.0
 
July 9, 2019, 7 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 23.0
 
July 9, 2019, 6 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 11.0 μg/m3 (10) 2.3 μg/m3 (10) 21.0
 
July 9, 2019, 5 p.m. 7.0 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
July 9, 2019, 4 p.m. 8.0 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
July 9, 2019, 3 p.m. 8.8 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 9, 2019, 2 p.m. 7.2 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
July 9, 2019, 1 p.m. 8.7 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 16.0 μg/m3 (15) 0.2 μg/m3 (1) 20.0
 
July 9, 2019, noon 9.2 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 6.0 μg/m3 (5) -1.4 μg/m3 (0) 22.0
 
July 9, 2019, 11 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 7.0 μg/m3 (6) 0.5 μg/m3 (2) 26.0
 
July 9, 2019, 10 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 2.0 μg/m3 (2) 2.9 μg/m3 (12) 24.0
 
July 9, 2019, 9 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A -3.0 μg/m3 (0) 3.7 μg/m3 (15) 25.0
 
July 9, 2019, 8 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A -4.0 μg/m3 (0) 1.3 μg/m3 (5) 31.0
 
July 9, 2019, 7 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A -1.1 μg/m3 (0) 34.0
 
July 9, 2019, 6 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A -1.3 μg/m3 (0) 35.0
 
July 9, 2019, 5 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 1.2 μg/m3 (5) 35.0
 
July 9, 2019, 4 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
July 9, 2019, 3 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
July 9, 2019, 2 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) N/A 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
July 9, 2019, 1 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
July 9, 2019, midnight 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 44.0 μg/m3 (40) 8.1 μg/m3 (34) 40.0
 
July 8, 2019, 11 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 51.0 μg/m3 (46) 10.9 μg/m3 (45) 46.0
 
July 8, 2019, 10 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 56.0 μg/m3 (50) 7.4 μg/m3 (31) 50.0
 
July 8, 2019, 9 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 51.0 μg/m3 (46) 9.6 μg/m3 (40) 46.0
 
July 8, 2019, 8 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 53.0 μg/m3 (48) 11.8 μg/m3 (49) 49.0
 
July 8, 2019, 7 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 62.0 μg/m3 (54) 15.1 μg/m3 (57) 57.0
 
July 8, 2019, 6 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 57.0 μg/m3 (51) 11.5 μg/m3 (48) 51.0
 
July 8, 2019, 5 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 48.0 μg/m3 (44) 15.3 μg/m3 (57) 57.0
 
July 8, 2019, 4 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 43.0 μg/m3 (39) 14.8 μg/m3 (56) 56.0
 
July 8, 2019, 3 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 36.0 μg/m3 (33) 11.8 μg/m3 (49) 49.0
 
July 8, 2019, 2 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 27.0 μg/m3 (25) 13.9 μg/m3 (54) 54.0
 
July 8, 2019, 1 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 18.0 μg/m3 (16) 6.8 μg/m3 (28) 28.0
 
July 8, 2019, noon 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
July 8, 2019, 11 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 10.8 μg/m3 (45) 45.0
 
July 8, 2019, 10 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 8.4 μg/m3 (35) 35.0
 
July 8, 2019, 9 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 9.0 μg/m3 (8) 6.8 μg/m3 (28) 28.0
 
July 8, 2019, 8 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
July 8, 2019, 7 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
July 8, 2019, 6 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 11.0 μg/m3 (10) 10.3 μg/m3 (43) 43.0
 
July 8, 2019, 5 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 16.0 μg/m3 (15) 13.5 μg/m3 (53) 53.0
 
July 8, 2019, 4 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 34.0 μg/m3 (31) 29.4 μg/m3 (87) 87.0
 
July 8, 2019, 3 a.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 45.0 μg/m3 (41) 47.2 μg/m3 (129) 129.0
 
July 8, 2019, 2 a.m. 7.3 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 50.0 μg/m3 (45) 52.3 μg/m3 (142) 142.0
 
July 8, 2019, 1 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 47.0 μg/m3 (43) 46.5 μg/m3 (128) 128.0
 
July 8, 2019, midnight 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) N/A 68.0 μg/m3 (56) 57.4 μg/m3 (151) 151.0
 
July 7, 2019, 11 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 58.0 ppb (45) N/A 83.0 μg/m3 (64) 64.9 μg/m3 (155) 155.0
 
July 7, 2019, 10 p.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 60.0 ppb (46) N/A 94.0 μg/m3 (70) 78.2 μg/m3 (162) 162.0
 
July 7, 2019, 9 p.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 62.0 ppb (48) N/A 109.0 μg/m3 (77) 82.9 μg/m3 (164) 164.0
 
July 7, 2019, 8 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 62.0 ppb (48) N/A 123.0 μg/m3 (84) 91.9 μg/m3 (169) 169.0
 
July 7, 2019, 7 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 60.0 ppb (46) N/A 116.0 μg/m3 (80) 91.1 μg/m3 (169) 169.0
 
July 7, 2019, 6 p.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 57.0 ppb (44) N/A 144.0 μg/m3 (94) 117.5 μg/m3 (183) 183.0
 
July 7, 2019, 5 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) N/A 146.0 μg/m3 (96) 118.1 μg/m3 (183) 183.0
 
July 7, 2019, 4 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) N/A 113.0 μg/m3 (79) 84.6 μg/m3 (165) 165.0
 
July 7, 2019, 3 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 117.0 μg/m3 (81) 94.3 μg/m3 (170) 170.0
 
July 7, 2019, 2 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 99.0 μg/m3 (72) 76.2 μg/m3 (161) 161.0
 
July 7, 2019, 1 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 62.0 μg/m3 (54) 47.5 μg/m3 (130) 130.0
 
July 7, 2019, noon 3.1 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 49.0 μg/m3 (45) 42.9 μg/m3 (118) 118.0
 
July 7, 2019, 11 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 54.0 μg/m3 (49) 44.7 μg/m3 (123) 123.0