AQSQID: 490495010

Site Name: Spanish Fork

Location: Spanish Fork (W 2050 N St), UT

Reporting: True, Located: True

Current AQI: 44.0

Spanish Fork (W 2050 N St) UT, US: 40.136398, -111.660202

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 7 a.m. 16.7 ppb (15) 0.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 20, 2020, 6 a.m. 27.2 ppb (25) 2.9 ppb (3) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 20, 2020, 5 a.m. 49.9 ppb (46) 14.3 ppb (13) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 20, 2020, 4 a.m. 52.1 ppb (48) 16.5 ppb (15) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 18.1 μg/m3 (63) 63.0
 
Jan. 20, 2020, 3 a.m. 35.9 ppb (33) 6.8 ppb (6) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 20, 2020, 2 a.m. 41.5 ppb (38) 6.7 ppb (6) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 20, 2020, 1 a.m. 17.9 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 20, 2020, midnight 10.6 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2020, 11 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 5.2 μg/m3 (22) 28.0
 
Jan. 19, 2020, 10 p.m. 6.4 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
Jan. 19, 2020, 9 p.m. 7.8 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
Jan. 19, 2020, 8 p.m. 7.0 ppb (6) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 5.8 μg/m3 (24) 28.0
 
Jan. 19, 2020, 7 p.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
Jan. 19, 2020, 6 p.m. 7.6 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Jan. 19, 2020, 5 p.m. 7.1 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
Jan. 19, 2020, 4 p.m. 16.6 ppb (15) 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Jan. 19, 2020, 3 p.m. 10.3 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
Jan. 19, 2020, 2 p.m. 7.8 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 1.6 μg/m3 (7) 27.0
 
Jan. 19, 2020, 1 p.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 1.7 μg/m3 (7) 28.0
 
Jan. 19, 2020, noon 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.3 μg/m3 (5) 30.0
 
Jan. 19, 2020, 10 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 1.3 μg/m3 (5) 29.0
 
Jan. 19, 2020, 9 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 1.5 μg/m3 (6) 31.0
 
Jan. 19, 2020, 8 a.m. 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 1.5 μg/m3 (6) 31.0
 
Jan. 19, 2020, 7 a.m. 9.1 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 5.3 μg/m3 (22) 29.0
 
Jan. 19, 2020, 6 a.m. 7.6 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Jan. 19, 2020, 5 a.m. 8.5 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 19, 2020, 4 a.m. 9.8 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Jan. 19, 2020, 3 a.m. 11.0 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Jan. 19, 2020, 2 a.m. 24.4 ppb (23) 6.1 ppb (6) N/A 18.0 ppb (17) N/A N/A 24.0 ppb (18) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 19, 2020, 1 a.m. 25.9 ppb (24) 4.9 ppb (5) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 19, 2020, midnight 15.7 ppb (15) 2.5 ppb (2) N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2020, 11 p.m. 12.7 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 18, 2020, 10 p.m. 4.8 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A 5.6 μg/m3 (23) 29.0
 
Jan. 18, 2020, 9 p.m. 7.0 ppb (6) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A 3.6 μg/m3 (15) 30.0
 
Jan. 18, 2020, 8 p.m. 9.5 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
Jan. 18, 2020, 7 p.m. 8.8 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Jan. 18, 2020, 6 p.m. 8.8 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Jan. 18, 2020, 5 p.m. 7.5 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
Jan. 18, 2020, 4 p.m. 9.2 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 2.2 μg/m3 (9) 26.0
 
Jan. 18, 2020, 3 p.m. 9.7 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 18, 2020, 2 p.m. 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 2.2 μg/m3 (9) 25.0
 
Jan. 18, 2020, 1 p.m. 8.3 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Jan. 18, 2020, noon 6.3 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 1.6 μg/m3 (7) 27.0
 
Jan. 18, 2020, 11 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Jan. 18, 2020, 10 a.m. 5.7 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Jan. 18, 2020, 9 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
Jan. 18, 2020, 8 a.m. 7.4 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 2.2 μg/m3 (9) 27.0
 
Jan. 18, 2020, 7 a.m. 7.0 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
Jan. 18, 2020, 6 a.m. 9.1 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Jan. 18, 2020, 5 a.m. 8.7 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
Jan. 18, 2020, 4 a.m. 22.1 ppb (20) 2.4 ppb (2) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (15) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2020, 3 a.m. 22.7 ppb (21) 1.6 ppb (1) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2020, 2 a.m. 21.0 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 18, 2020, 1 a.m. 12.5 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Jan. 18, 2020, midnight 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.6 μg/m3 (7) 29.0
 
Jan. 17, 2020, 11 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Jan. 17, 2020, 10 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
Jan. 17, 2020, 9 p.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Jan. 17, 2020, 8 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
Jan. 17, 2020, 7 p.m. 4.0 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 17, 2020, 6 p.m. 4.6 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 17, 2020, 5 p.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
Jan. 17, 2020, 4 p.m. 10.2 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
Jan. 17, 2020, 3 p.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
Jan. 17, 2020, 2 p.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 0.3 μg/m3 (1) 34.0
 
Jan. 17, 2020, 1 p.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 6.3 μg/m3 (26) 31.0
 
Jan. 17, 2020, noon 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.6 μg/m3 (23) 32.0
 
Jan. 17, 2020, 10 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A 3.2 μg/m3 (13) 29.0
 
Jan. 17, 2020, 9 a.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
Jan. 17, 2020, 8 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
Jan. 17, 2020, 7 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
Jan. 17, 2020, 6 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 3.6 μg/m3 (15) 32.0
 
Jan. 17, 2020, 5 a.m. 5.0 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
Jan. 17, 2020, 4 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) N/A N/A 3.6 μg/m3 (15) 34.0
 
Jan. 17, 2020, 3 a.m. 5.9 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
Jan. 17, 2020, 2 a.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Jan. 17, 2020, 1 a.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
Jan. 17, 2020, midnight 9.3 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 44.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
Jan. 16, 2020, 11 p.m. 9.9 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 44.0 ppb (34) N/A N/A 3.9 μg/m3 (16) 34.0
 
Jan. 16, 2020, 10 p.m. 9.2 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) N/A N/A 3.7 μg/m3 (15) 34.0
 
Jan. 16, 2020, 9 p.m. 8.0 ppb (7) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A 3.6 μg/m3 (15) 35.0
 
Jan. 16, 2020, 8 p.m. 6.4 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
Jan. 16, 2020, 7 p.m. 6.8 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 3.6 μg/m3 (15) 35.0
 
Jan. 16, 2020, 6 p.m. 6.5 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 3.5 μg/m3 (15) 34.0
 
Jan. 16, 2020, 5 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 3.3 μg/m3 (14) 34.0
 
Jan. 16, 2020, 4 p.m. 6.1 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 3.6 μg/m3 (15) 34.0
 
Jan. 16, 2020, 3 p.m. 6.8 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
Jan. 16, 2020, 2 p.m. 6.6 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A 3.7 μg/m3 (15) 32.0
 
Jan. 16, 2020, 1 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 3.5 μg/m3 (15) 34.0
 
Jan. 16, 2020, noon 4.4 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
Jan. 16, 2020, 11 a.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 2.7 μg/m3 (11) 35.0
 
Jan. 16, 2020, 10 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 16, 2020, 9 a.m. 3.9 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 3.9 μg/m3 (16) 35.0
 
Jan. 16, 2020, 8 a.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 2.9 μg/m3 (12) 35.0
 
Jan. 16, 2020, 7 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 16, 2020, 6 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
Jan. 16, 2020, 5 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 2.7 μg/m3 (11) 35.0
 
Jan. 16, 2020, 4 a.m. 4.7 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
Jan. 16, 2020, 3 a.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 3.7 μg/m3 (15) 33.0
 
Jan. 16, 2020, 2 a.m. 16.1 ppb (15) 0.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 16, 2020, 1 a.m. 19.1 ppb (18) 2.5 ppb (2) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, midnight 10.7 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
Jan. 15, 2020, 11 p.m. 9.2 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Jan. 15, 2020, 10 p.m. 12.8 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
Jan. 15, 2020, 9 p.m. 15.3 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Jan. 15, 2020, 8 p.m. 11.5 ppb (11) 4.5 ppb (4) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Jan. 15, 2020, 7 p.m. 11.2 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Jan. 15, 2020, 6 p.m. 13.1 ppb (12) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 2.7 μg/m3 (11) 25.0
 
Jan. 15, 2020, 5 p.m. 12.0 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 2.7 μg/m3 (11) 26.0
 
Jan. 15, 2020, 4 p.m. 18.6 ppb (17) 7.6 ppb (7) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
Jan. 15, 2020, 3 p.m. 18.9 ppb (18) 6.9 ppb (6) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
Jan. 15, 2020, 2 p.m. 16.8 ppb (16) 4.5 ppb (4) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
Jan. 15, 2020, 1 p.m. 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 15, 2020, noon 9.0 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 1.5 μg/m3 (6) 25.0
 
Jan. 15, 2020, 11 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 1.5 μg/m3 (6) 25.0
 
Jan. 15, 2020, 10 a.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 1.4 μg/m3 (6) 26.0
 
Jan. 15, 2020, 9 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
Jan. 15, 2020, 8 a.m. 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 1.2 μg/m3 (5) 27.0
 
Jan. 15, 2020, 7 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
Jan. 15, 2020, 6 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
Jan. 15, 2020, 5 a.m. 12.1 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) N/A N/A 2.3 μg/m3 (10) 20.0
 
Jan. 15, 2020, 4 a.m. 14.7 ppb (14) 0.5 ppb (0) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) N/A N/A 2.9 μg/m3 (12) 18.0
 
Jan. 15, 2020, 3 a.m. 13.4 ppb (12) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
Jan. 15, 2020, 2 a.m. 7.7 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Jan. 15, 2020, 1 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 0.7 μg/m3 (3) 32.0
 
Jan. 15, 2020, midnight 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 0.7 μg/m3 (3) 32.0
 
Jan. 14, 2020, 11 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 0.6 μg/m3 (2) 32.0
 
Jan. 14, 2020, 10 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 0.8 μg/m3 (3) 31.0
 
Jan. 14, 2020, 9 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
Jan. 14, 2020, 8 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
Jan. 14, 2020, 7 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.1 μg/m3 (17) 35.0
 
Jan. 14, 2020, 6 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
Jan. 14, 2020, 5 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 3.8 μg/m3 (16) 33.0
 
Jan. 14, 2020, 4 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 3.9 μg/m3 (16) 31.0
 
Jan. 14, 2020, 3 p.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 3.6 μg/m3 (15) 28.0
 
Jan. 14, 2020, 2 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 2.9 μg/m3 (12) 29.0
 
Jan. 14, 2020, 1 p.m. 5.9 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 3.4 μg/m3 (14) 29.0
 
Jan. 14, 2020, noon 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
Jan. 14, 2020, 11 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
Jan. 14, 2020, 10 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
Jan. 14, 2020, 9 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
Jan. 14, 2020, 8 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
Jan. 14, 2020, 7 a.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
Jan. 14, 2020, 6 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 1.5 μg/m3 (6) 30.0
 
Jan. 14, 2020, 5 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A 1.9 μg/m3 (8) 30.0
 
Jan. 14, 2020, 4 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
Jan. 14, 2020, 3 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A N/A 1.2 μg/m3 (5) 32.0
 
Jan. 14, 2020, 2 a.m. 8.0 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 1.5 μg/m3 (6) 30.0
 
Jan. 14, 2020, 1 a.m. 13.8 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Jan. 14, 2020, midnight 21.1 ppb (20) 4.4 ppb (4) N/A 17.0 ppb (16) N/A N/A 29.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
Jan. 13, 2020, 11 p.m. 10.4 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
Jan. 13, 2020, 10 p.m. 8.6 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
Jan. 13, 2020, 9 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
Jan. 13, 2020, 8 p.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A 1.9 μg/m3 (8) 29.0
 
Jan. 13, 2020, 7 p.m. 19.5 ppb (18) 7.5 ppb (7) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
Jan. 13, 2020, 6 p.m. 24.8 ppb (23) 10.9 ppb (10) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) N/A N/A 4.7 μg/m3 (20) 23.0
 
Jan. 13, 2020, 5 p.m. 15.9 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A 3.2 μg/m3 (13) 23.0
 
Jan. 13, 2020, 4 p.m. 65.1 ppb (62) 33.5 ppb (31) N/A 32.0 ppb (30) N/A N/A 11.0 ppb (8) N/A N/A 5.3 μg/m3 (22) 62.0
 
Jan. 13, 2020, 3 p.m. 61.3 ppb (58) 24.8 ppb (23) N/A 37.0 ppb (34) N/A N/A 6.0 ppb (5) N/A N/A 3.7 μg/m3 (15) 58.0
 
Jan. 13, 2020, 2 p.m. 25.6 ppb (24) 4.7 ppb (4) N/A 21.0 ppb (19) N/A N/A 20.0 ppb (15) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 13, 2020, 1 p.m. 14.0 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Jan. 13, 2020, noon 12.6 ppb (12) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
Jan. 13, 2020, 11 a.m. 9.2 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Jan. 13, 2020, 10 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Jan. 13, 2020, 9 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
Jan. 13, 2020, 8 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0