ID: 1067

AQSQID: 490495010

Site Name: Spanish Fork

Added: April 21, 2020, 6:24 p.m.

Updated: Dec. 9, 2021, 6:15 a.m.

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

Reporting: True, Located: True

Current AQI: 32.0

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
Dec. 9, 2021, 4 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
Dec. 9, 2021, 3 a.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
Dec. 9, 2021, 2 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 2.7 μg/m3 (12) 28.0
 
Dec. 9, 2021, 1 a.m. 4.6 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 3.4 μg/m3 (15) 26.0
 
Dec. 9, 2021, midnight 7.9 ppb (8) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Dec. 8, 2021, 11 p.m. 11.7 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Dec. 8, 2021, 10 p.m. 11.9 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
Dec. 8, 2021, 9 p.m. 16.2 ppb (16) 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Dec. 8, 2021, 8 p.m. 15.0 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 6.3 μg/m3 (27) 27.0
 
Dec. 8, 2021, 7 p.m. 16.2 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) N/A N/A 6.1 μg/m3 (26) 26.0
 
Dec. 8, 2021, 6 p.m. 20.0 ppb (19) 6.4 ppb (7) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Dec. 8, 2021, 5 p.m. 14.6 ppb (14) 6.4 ppb (7) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A 5.5 μg/m3 (23) 23.0
 
Dec. 8, 2021, 4 p.m. 12.9 ppb (13) 5.9 ppb (6) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
Dec. 8, 2021, 3 p.m. 23.3 ppb (22) 11.3 ppb (11) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) N/A N/A 3.8 μg/m3 (16) 22.0
 
Dec. 8, 2021, 2 p.m. 11.2 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
Dec. 8, 2021, 1 p.m. 12.4 ppb (12) 2.6 ppb (3) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A N/A 3.6 μg/m3 (16) 17.0
 
Dec. 8, 2021, noon 6.7 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A N/A 2.2 μg/m3 (10) 22.0
 
Dec. 8, 2021, 11 a.m. 4.6 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
Dec. 8, 2021, 10 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A 2.2 μg/m3 (10) 24.0
 
Dec. 8, 2021, 9 a.m. 5.7 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
Dec. 8, 2021, 8 a.m. 11.3 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A N/A 2.3 μg/m3 (10) 17.0
 
Dec. 8, 2021, 7 a.m. 9.7 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) N/A N/A 2.4 μg/m3 (10) 20.0
 
Dec. 8, 2021, 6 a.m. 8.1 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 2.2 μg/m3 (10) 22.0
 
Dec. 8, 2021, 5 a.m. 11.5 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
Dec. 8, 2021, 4 a.m. 29.2 ppb (28) 6.1 ppb (6) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) N/A N/A 6.1 μg/m3 (26) 28.0
 
Dec. 8, 2021, 3 a.m. 50.7 ppb (48) 21.0 ppb (20) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 14.6 μg/m3 (57) 57.0
 
Dec. 8, 2021, 2 a.m. 34.4 ppb (33) 9.2 ppb (9) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A 11.1 μg/m3 (47) 47.0
 
Dec. 8, 2021, 1 a.m. 27.2 ppb (26) 5.6 ppb (6) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) N/A N/A 7.1 μg/m3 (30) 30.0
 
Dec. 8, 2021, midnight 11.7 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Dec. 7, 2021, 11 p.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
Dec. 7, 2021, 9 p.m. 7.6 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A 4.8 μg/m3 (20) 33.0
 
Dec. 7, 2021, 8 p.m. 11.1 ppb (11) 3.8 ppb (4) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
Dec. 7, 2021, 7 p.m. 11.3 ppb (11) 4.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A 8.1 μg/m3 (34) 34.0
 
Dec. 7, 2021, 6 p.m. 17.5 ppb (17) 7.8 ppb (8) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
Dec. 7, 2021, 5 p.m. 32.3 ppb (31) 16.6 ppb (16) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A N/A 7.2 μg/m3 (31) 31.0
 
Dec. 7, 2021, 4 p.m. 53.0 ppb (50) 32.2 ppb (31) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A N/A 11.5 μg/m3 (48) 50.0
 
Dec. 7, 2021, 3 p.m. 122.0 ppb (105) 93.1 ppb (93) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 19.6 μg/m3 (67) 105.0
 
Dec. 7, 2021, 2 p.m. 75.8 ppb (75) 52.8 ppb (50) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 13.4 μg/m3 (54) 75.0
 
Dec. 7, 2021, 1 p.m. 76.6 ppb (76) 49.5 ppb (47) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 12.6 μg/m3 (53) 76.0
 
Dec. 7, 2021, noon 62.8 ppb (61) 36.3 ppb (35) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 12.4 μg/m3 (52) 61.0
 
Dec. 7, 2021, 11 a.m. 43.1 ppb (41) 19.4 ppb (19) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) N/A N/A 10.6 μg/m3 (45) 45.0
 
Dec. 7, 2021, 10 a.m. 41.9 ppb (40) 14.1 ppb (14) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 9.6 μg/m3 (40) 40.0
 
Dec. 7, 2021, 9 a.m. 70.1 ppb (69) 38.2 ppb (37) N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 12.4 μg/m3 (52) 69.0
 
Dec. 7, 2021, 8 a.m. 64.9 ppb (63) 37.5 ppb (36) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 13.6 μg/m3 (55) 63.0
 
Dec. 7, 2021, 7 a.m. 70.9 ppb (70) 44.0 ppb (42) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 14.6 μg/m3 (57) 70.0
 
Dec. 7, 2021, 6 a.m. 63.5 ppb (62) 33.5 ppb (32) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 13.1 μg/m3 (54) 62.0
 
Dec. 7, 2021, 5 a.m. 27.2 ppb (26) 3.2 ppb (4) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 8.8 μg/m3 (37) 37.0
 
Dec. 7, 2021, 4 a.m. 30.2 ppb (29) 5.7 ppb (6) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 8.7 μg/m3 (37) 37.0
 
Dec. 7, 2021, 3 a.m. 46.7 ppb (45) 19.9 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 10.2 μg/m3 (43) 45.0
 
Dec. 7, 2021, 2 a.m. 59.7 ppb (58) 25.4 ppb (24) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) N/A N/A 11.5 μg/m3 (48) 58.0
 
Dec. 7, 2021, 1 a.m. 28.4 ppb (27) 5.6 ppb (6) N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) N/A N/A 7.4 μg/m3 (31) 31.0
 
Dec. 7, 2021, midnight 25.9 ppb (25) 3.3 ppb (4) N/A 23.0 ppb (22) N/A N/A 8.0 ppb (8) N/A N/A 7.7 μg/m3 (33) 33.0
 
Dec. 6, 2021, 11 p.m. 30.7 ppb (29) 4.7 ppb (5) N/A 26.0 ppb (25) N/A N/A 7.0 ppb (7) N/A N/A 7.7 μg/m3 (33) 33.0
 
Dec. 6, 2021, 10 p.m. 25.1 ppb (24) 5.5 ppb (6) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 6, 2021, 9 p.m. 26.3 ppb (25) 5.9 ppb (6) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) N/A N/A 6.5 μg/m3 (28) 28.0
 
Dec. 6, 2021, 8 p.m. 24.4 ppb (24) 5.2 ppb (5) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) N/A N/A 5.2 μg/m3 (22) 24.0
 
Dec. 6, 2021, 7 p.m. 27.9 ppb (27) 8.8 ppb (9) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) N/A N/A 6.1 μg/m3 (26) 27.0
 
Dec. 6, 2021, 6 p.m. 24.0 ppb (23) 9.9 ppb (10) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 23.0
 
Dec. 6, 2021, 5 p.m. 46.4 ppb (44) 26.8 ppb (26) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) N/A N/A 6.9 μg/m3 (29) 44.0
 
Dec. 6, 2021, 4 p.m. 30.5 ppb (29) 15.0 ppb (15) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A N/A 5.1 μg/m3 (22) 29.0
 
Dec. 6, 2021, 3 p.m. 36.7 ppb (35) 17.4 ppb (17) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A 3.9 μg/m3 (17) 35.0
 
Dec. 6, 2021, 2 p.m. 55.2 ppb (53) 27.4 ppb (26) N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) N/A N/A 5.1 μg/m3 (22) 53.0
 
Dec. 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 3.5 μg/m3 (15) 15.0
 
Dec. 6, 2021, noon 34.6 ppb (33) 12.9 ppb (13) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 4.9 μg/m3 (21) 33.0
 
Dec. 6, 2021, 11 a.m. 25.4 ppb (24) 4.3 ppb (5) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A N/A 3.8 μg/m3 (16) 24.0
 
Dec. 6, 2021, 10 a.m. 37.1 ppb (35) 10.9 ppb (11) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 5.4 μg/m3 (23) 35.0
 
Dec. 6, 2021, 9 a.m. 32.7 ppb (31) 6.8 ppb (7) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 5.3 μg/m3 (23) 31.0
 
Dec. 6, 2021, 8 a.m. 34.4 ppb (33) 9.7 ppb (10) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 6.6 μg/m3 (28) 33.0
 
Dec. 6, 2021, 7 a.m. 34.3 ppb (33) 8.5 ppb (9) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 5.4 μg/m3 (23) 33.0
 
Dec. 6, 2021, 6 a.m. 45.6 ppb (44) 20.6 ppb (20) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 7.1 μg/m3 (30) 44.0
 
Dec. 6, 2021, 5 a.m. 46.3 ppb (44) 19.8 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 8.1 μg/m3 (34) 44.0
 
Dec. 6, 2021, 4 a.m. 34.8 ppb (33) 9.9 ppb (10) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 5.3 μg/m3 (23) 33.0
 
Dec. 6, 2021, 3 a.m. 34.9 ppb (33) 7.6 ppb (8) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 4.8 μg/m3 (20) 33.0
 
Dec. 6, 2021, 2 a.m. 26.1 ppb (25) 2.3 ppb (3) N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) N/A N/A 3.6 μg/m3 (16) 25.0
 
Dec. 6, 2021, 1 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Dec. 6, 2021, midnight 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Dec. 5, 2021, 11 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Dec. 5, 2021, 10 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 1.6 μg/m3 (7) 34.0
 
Dec. 5, 2021, 9 p.m. 4.8 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 2.9 μg/m3 (13) 34.0
 
Dec. 5, 2021, 8 p.m. 4.8 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 3.8 μg/m3 (16) 30.0
 
Dec. 5, 2021, 7 p.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
Dec. 5, 2021, 6 p.m. 6.2 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Dec. 5, 2021, 5 p.m. 13.1 ppb (13) 5.9 ppb (6) N/A 7.0 ppb (7) N/A N/A 18.0 ppb (17) N/A N/A 4.1 μg/m3 (18) 18.0
 
Dec. 5, 2021, 4 p.m. 16.4 ppb (16) 7.1 ppb (7) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) N/A N/A 3.7 μg/m3 (16) 16.0
 
Dec. 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 2.2 μg/m3 (10) 10.0
 
Dec. 5, 2021, 2 p.m. 14.4 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) N/A N/A 3.7 μg/m3 (16) 16.0
 
Dec. 5, 2021, 1 p.m. 14.4 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A N/A 5.0 ppb (5) N/A N/A 3.0 μg/m3 (13) 14.0
 
Dec. 5, 2021, noon 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 7.0 ppb (7) N/A N/A 3.5 μg/m3 (15) 15.0
 
Dec. 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 2.3 μg/m3 (10) 13.0
 
Dec. 5, 2021, 10 a.m. 11.3 ppb (11) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) N/A N/A 1.3 μg/m3 (6) 16.0
 
Dec. 5, 2021, 9 a.m. 9.6 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) N/A N/A 1.1 μg/m3 (5) 18.0
 
Dec. 5, 2021, 8 a.m. 19.6 ppb (19) 5.4 ppb (6) N/A 14.0 ppb (14) N/A N/A 9.0 ppb (9) N/A N/A 6.4 μg/m3 (27) 27.0
 
Dec. 5, 2021, 7 a.m. 17.8 ppb (17) 3.8 ppb (4) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) N/A N/A 3.1 μg/m3 (13) 17.0
 
Dec. 5, 2021, 6 a.m. 17.2 ppb (17) 2.0 ppb (2) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
Dec. 5, 2021, 5 a.m. 22.9 ppb (22) 2.6 ppb (3) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A N/A 2.3 μg/m3 (10) 22.0
 
Dec. 5, 2021, 4 a.m. 24.5 ppb (24) 6.8 ppb (7) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) N/A N/A 6.6 μg/m3 (28) 28.0
 
Dec. 5, 2021, 3 a.m. 56.4 ppb (54) 31.1 ppb (30) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 15.9 μg/m3 (59) 59.0
 
Dec. 5, 2021, 2 a.m. 53.6 ppb (51) 24.9 ppb (24) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) N/A N/A 14.8 μg/m3 (57) 57.0
 
Dec. 5, 2021, 1 a.m. 43.3 ppb (41) 14.8 ppb (14) N/A 29.0 ppb (28) N/A N/A 4.0 ppb (4) N/A N/A 11.9 μg/m3 (50) 50.0
 
Dec. 5, 2021, midnight 18.8 ppb (18) 3.3 ppb (4) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) N/A N/A 11.2 μg/m3 (47) 47.0
 
Dec. 4, 2021, 11 p.m. 11.6 ppb (11) 1.4 ppb (2) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) N/A N/A 12.5 μg/m3 (52) 52.0
 
Dec. 4, 2021, 10 p.m. 10.5 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 13.7 μg/m3 (55) 55.0
 
Dec. 4, 2021, 9 p.m. 9.6 ppb (10) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 13.9 μg/m3 (55) 55.0
 
Dec. 4, 2021, 8 p.m. 10.6 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A N/A 16.2 μg/m3 (60) 60.0
 
Dec. 4, 2021, 7 p.m. 12.1 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) N/A N/A 6.4 μg/m3 (27) 27.0
 
Dec. 4, 2021, 6 p.m. 15.7 ppb (15) 7.1 ppb (7) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A N/A 11.2 μg/m3 (47) 47.0
 
Dec. 4, 2021, 5 p.m. 17.7 ppb (17) 8.4 ppb (8) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) N/A N/A 10.1 μg/m3 (43) 43.0
 
Dec. 4, 2021, 4 p.m. 25.4 ppb (24) 13.3 ppb (13) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) N/A N/A 9.2 μg/m3 (39) 39.0
 
Dec. 4, 2021, 3 p.m. 20.7 ppb (20) 7.8 ppb (8) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) N/A N/A 13.4 μg/m3 (54) 54.0
 
Dec. 4, 2021, 2 p.m. 21.3 ppb (21) 4.1 ppb (4) N/A 17.0 ppb (17) N/A N/A 5.0 ppb (5) N/A N/A 13.0 μg/m3 (53) 53.0
 
Dec. 4, 2021, 1 p.m. 22.8 ppb (22) 5.5 ppb (6) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) N/A N/A 11.5 μg/m3 (48) 48.0
 
Dec. 4, 2021, noon 16.9 ppb (16) 2.6 ppb (3) N/A 14.0 ppb (14) N/A N/A 9.0 ppb (9) N/A N/A 7.5 μg/m3 (32) 32.0
 
Dec. 4, 2021, 11 a.m. 22.1 ppb (21) 3.2 ppb (4) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) N/A N/A 10.7 μg/m3 (45) 45.0
 
Dec. 4, 2021, 10 a.m. 21.9 ppb (21) 4.9 ppb (5) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 46.0
 
Dec. 4, 2021, 9 a.m. 28.0 ppb (27) 7.8 ppb (8) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 10.9 μg/m3 (46) 46.0
 
Dec. 4, 2021, 8 a.m. 38.7 ppb (37) 18.0 ppb (17) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (55) 55.0
 
Dec. 4, 2021, 7 a.m. 27.8 ppb (27) 6.8 ppb (7) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) N/A N/A 7.4 μg/m3 (31) 31.0
 
Dec. 4, 2021, 6 a.m. 22.5 ppb (22) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) N/A N/A 9.4 μg/m3 (40) 40.0
 
Dec. 4, 2021, 5 a.m. 23.8 ppb (23) 4.4 ppb (5) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) N/A N/A 7.5 μg/m3 (32) 32.0
 
Dec. 4, 2021, 4 a.m. 17.8 ppb (17) 3.9 ppb (4) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) N/A N/A 9.2 μg/m3 (39) 39.0
 
Dec. 4, 2021, 3 a.m. 44.2 ppb (42) 15.8 ppb (15) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 12.5 μg/m3 (52) 52.0
 
Dec. 4, 2021, 2 a.m. 65.0 ppb (63) 32.1 ppb (31) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A 16.2 μg/m3 (60) 63.0
 
Dec. 4, 2021, 1 a.m. 50.3 ppb (48) 19.3 ppb (19) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) N/A N/A 15.2 μg/m3 (58) 58.0
 
Dec. 4, 2021, midnight 34.2 ppb (33) 11.8 ppb (12) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) N/A N/A 14.8 μg/m3 (57) 57.0
 
Dec. 3, 2021, 11 p.m. 14.5 ppb (14) 2.2 ppb (3) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) N/A N/A 13.5 μg/m3 (54) 54.0
 
Dec. 3, 2021, 10 p.m. 11.0 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 13.1 μg/m3 (54) 54.0
 
Dec. 3, 2021, 9 p.m. 11.5 ppb (11) 3.2 ppb (4) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 12.8 μg/m3 (53) 53.0
 
Dec. 3, 2021, 8 p.m. 12.7 ppb (12) 4.3 ppb (5) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) N/A N/A 13.5 μg/m3 (54) 54.0
 
Dec. 3, 2021, 7 p.m. 20.3 ppb (20) 8.4 ppb (8) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 15.6 μg/m3 (59) 59.0
 
Dec. 3, 2021, 6 p.m. 19.4 ppb (19) 9.0 ppb (9) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) N/A N/A 14.3 μg/m3 (56) 56.0
 
Dec. 3, 2021, 5 p.m. 18.7 ppb (18) 9.2 ppb (9) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) N/A N/A 14.8 μg/m3 (57) 57.0
 
Dec. 3, 2021, 4 p.m. 38.1 ppb (36) 22.7 ppb (22) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) N/A N/A 13.1 μg/m3 (54) 54.0
 
Dec. 3, 2021, 3 p.m. 49.4 ppb (47) 31.2 ppb (30) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) N/A N/A 15.4 μg/m3 (58) 58.0
 
Dec. 3, 2021, 2 p.m. 52.0 ppb (50) 32.0 ppb (31) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 13.1 μg/m3 (54) 54.0
 
Dec. 3, 2021, 1 p.m. 52.1 ppb (50) 30.0 ppb (29) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 13.8 μg/m3 (55) 55.0
 
Dec. 3, 2021, noon 26.7 ppb (26) 8.7 ppb (9) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 8.5 μg/m3 (36) 36.0
 
Dec. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.8 μg/m3 (46) 46.0
 
Dec. 3, 2021, 10 a.m. 35.5 ppb (34) 12.9 ppb (13) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 13.9 μg/m3 (55) 55.0
 
Dec. 3, 2021, 9 a.m. 43.2 ppb (41) 21.5 ppb (21) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 14.2 μg/m3 (56) 56.0
 
Dec. 3, 2021, 8 a.m. 49.0 ppb (47) 27.7 ppb (27) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 15.9 μg/m3 (59) 59.0
 
Dec. 3, 2021, 7 a.m. 66.4 ppb (65) 44.2 ppb (42) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 17.4 μg/m3 (63) 65.0
 
Dec. 3, 2021, 6 a.m. 40.7 ppb (39) 19.3 ppb (19) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) N/A N/A 11.2 μg/m3 (47) 47.0
 
Dec. 3, 2021, 5 a.m. 42.6 ppb (41) 19.2 ppb (19) N/A 23.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 10.7 μg/m3 (45) 45.0
 
Dec. 3, 2021, 4 a.m. 65.5 ppb (64) 35.4 ppb (34) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 15.4 μg/m3 (58) 64.0
 
Dec. 3, 2021, 3 a.m. 73.8 ppb (73) 45.8 ppb (44) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 18.9 μg/m3 (66) 73.0
 
Dec. 3, 2021, 2 a.m. 87.9 ppb (88) 54.9 ppb (52) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A 18.8 μg/m3 (66) 88.0
 
Dec. 3, 2021, 1 a.m. 46.7 ppb (45) 20.3 ppb (20) N/A 27.0 ppb (26) N/A N/A 5.0 ppb (5) N/A N/A 12.0 μg/m3 (50) 50.0
 
Dec. 3, 2021, midnight 15.7 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) N/A N/A 9.6 μg/m3 (40) 40.0
 
Dec. 2, 2021, 11 p.m. 14.1 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A N/A 11.4 μg/m3 (48) 48.0
 
Dec. 2, 2021, 10 p.m. 14.3 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2021, 10 p.m. 14.3 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2021, 9 p.m. 11.9 ppb (12) 3.8 ppb (4) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) N/A N/A 9.1 μg/m3 (38) 38.0
 
Dec. 2, 2021, 8 p.m. 12.1 ppb (12) 4.6 ppb (5) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2021, 7 p.m. 23.9 ppb (23) 11.4 ppb (11) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 8.4 μg/m3 (36) 36.0
 
Dec. 2, 2021, 6 p.m. 12.2 ppb (12) 5.0 ppb (5) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 8.2 μg/m3 (35) 35.0
 
Dec. 2, 2021, 5 p.m. 19.7 ppb (19) 9.7 ppb (10) N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) N/A N/A 8.6 μg/m3 (36) 36.0
 
Dec. 2, 2021, 4 p.m. 44.6 ppb (43) 27.7 ppb (27) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) N/A N/A 12.3 μg/m3 (52) 52.0
 
Dec. 2, 2021, 1 p.m. 46.1 ppb (44) 24.1 ppb (23) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 11.8 μg/m3 (50) 50.0
 
Dec. 2, 2021, noon 24.3 ppb (23) 4.4 ppb (5) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 11.1 μg/m3 (47) 47.0
 
Dec. 2, 2021, 11 a.m. 21.6 ppb (21) 2.9 ppb (3) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A N/A 10.8 μg/m3 (46) 46.0
 
Dec. 2, 2021, 10 a.m. 26.9 ppb (26) 5.3 ppb (5) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 12.3 μg/m3 (52) 52.0
 
Dec. 2, 2021, 9 a.m. 28.4 ppb (27) 5.3 ppb (5) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 11.6 μg/m3 (49) 49.0
 
Dec. 2, 2021, 8 a.m. 25.3 ppb (24) 4.4 ppb (5) N/A 21.0 ppb (20) N/A N/A 6.0 ppb (6) N/A N/A 8.6 μg/m3 (36) 36.0
 
Dec. 2, 2021, 7 a.m. 29.7 ppb (29) 12.2 ppb (12) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2021, 6 a.m. 30.0 ppb (29) 11.0 ppb (11) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) N/A N/A 5.4 μg/m3 (23) 29.0
 
Dec. 2, 2021, 5 a.m. 17.0 ppb (17) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 17.0
 
Dec. 2, 2021, 4 a.m. 40.8 ppb (39) 18.9 ppb (18) N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) N/A N/A 9.3 μg/m3 (39) 39.0
 
Dec. 2, 2021, 3 a.m. 82.3 ppb (82) 50.5 ppb (48) N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 17.5 μg/m3 (63) 82.0