ID: 1064

AQSQID: 490571003

Site Name: Harrisville

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

Updated: May 21, 2022, 1:33 a.m.

Location: Ogden (N Ogden Ranchettes), UT

Reporting: True, Located: True

Current AQI: 40.0

Ogden (N Ogden Ranchettes) UT, US: 41.302799, -111.988297

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2022, midnight 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 10.0 μg/m3 (10) 1.5 μg/m3 (7) 43.0
 
May 20, 2022, 11 p.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.0 ppb (0) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 40.0
 
May 20, 2022, 10 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.0 ppb (0) 54.0 μg/m3 (50) 1.9 μg/m3 (8) 50.0
 
May 20, 2022, 9 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 14.0 μg/m3 (13) 2.4 μg/m3 (10) 39.0
 
May 20, 2022, 8 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.0 ppb (0) 11.0 μg/m3 (11) 0.9 μg/m3 (4) 38.0
 
May 20, 2022, 7 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.0 ppb (0) 15.0 μg/m3 (14) 1.3 μg/m3 (6) 37.0
 
May 20, 2022, 6 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.0 ppb (0) 6.0 μg/m3 (6) 1.1 μg/m3 (5) 37.0
 
May 20, 2022, 5 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.0 ppb (0) 17.0 μg/m3 (16) 1.0 μg/m3 (5) 36.0
 
May 20, 2022, 4 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.0 ppb (0) 13.0 μg/m3 (13) 1.4 μg/m3 (6) 36.0
 
May 20, 2022, 3 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.0 ppb (0) 7.0 μg/m3 (7) 1.3 μg/m3 (6) 36.0
 
May 20, 2022, 2 p.m. 11.4 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.0 ppb (0) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 27.0
 
May 20, 2022, 1 p.m. 9.0 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.0 ppb (0) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 27.0
 
May 20, 2022, 11 a.m. 7.3 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.0 ppb (0) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
May 20, 2022, 10 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.0 ppb (0) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 32.0
 
May 20, 2022, 9 a.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.0 ppb (0) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 36.0
 
May 20, 2022, 8 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.0 ppb (0) 3.0 μg/m3 (3) 1.8 μg/m3 (8) 38.0
 
May 20, 2022, 7 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.0 ppb (0) 8.0 μg/m3 (8) 2.4 μg/m3 (10) 42.0
 
May 20, 2022, 6 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 11.0 μg/m3 (11) 3.1 μg/m3 (13) 43.0
 
May 20, 2022, 5 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.0 ppb (0) 14.0 μg/m3 (13) 2.7 μg/m3 (12) 45.0
 
May 20, 2022, 4 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.0 ppb (0) 33.0 μg/m3 (31) 3.7 μg/m3 (16) 48.0
 
May 20, 2022, 3 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) 0.0 ppb (0) 41.0 μg/m3 (38) 4.7 μg/m3 (20) 49.0
 
May 20, 2022, 2 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.0 ppb (0) 77.0 μg/m3 (62) 5.4 μg/m3 (23) 62.0
 
May 20, 2022, 1 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.0 ppb (0) 177.0 μg/m3 (112) 7.3 μg/m3 (31) 112.0
 
May 20, 2022, 1 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.0 ppb (0) 177.0 μg/m3 (112) 7.3 μg/m3 (31) 112.0
 
May 20, 2022, midnight 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.0 ppb (0) N/A 10.5 μg/m3 (44) 44.0
 
May 20, 2022, midnight 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.0 ppb (0) 154.0 μg/m3 (100) 10.5 μg/m3 (44) 100.0
 
May 19, 2022, 11 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.0 ppb (0) 67.0 μg/m3 (57) 6.4 μg/m3 (27) 57.0
 
May 19, 2022, 10 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.0 ppb (0) 15.0 μg/m3 (14) 3.5 μg/m3 (15) 43.0
 
May 19, 2022, 9 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 30.0 μg/m3 (28) 2.9 μg/m3 (13) 39.0
 
May 19, 2022, 8 p.m. 3.2 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.0 ppb (0) 89.0 μg/m3 (68) 4.1 μg/m3 (18) 68.0
 
May 19, 2022, 7 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 79.0 μg/m3 (63) 6.6 μg/m3 (28) 63.0
 
May 19, 2022, 7 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 79.0 μg/m3 (63) 6.6 μg/m3 (28) 63.0
 
May 19, 2022, 4 p.m. 4.5 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.0 ppb (0) 59.0 μg/m3 (53) 7.9 μg/m3 (33) 53.0
 
May 19, 2022, 2 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.0 ppb (0) 45.0 μg/m3 (42) 8.1 μg/m3 (34) 42.0
 
May 19, 2022, 6 a.m. 8.9 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.0 ppb (0) 22.0 μg/m3 (21) 5.0 μg/m3 (21) 33.0
 
May 19, 2022, 5 a.m. 6.7 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.0 ppb (0) 14.0 μg/m3 (13) 4.7 μg/m3 (20) 38.0
 
May 19, 2022, 4 a.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 42.0 ppb (39) 0.0 ppb (0) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 39.0
 
May 19, 2022, 3 a.m. 9.5 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) 0.0 ppb (0) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 38.0
 
May 19, 2022, 2 a.m. 6.0 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.0 ppb (0) 15.0 μg/m3 (14) 2.8 μg/m3 (12) 46.0
 
May 19, 2022, 1 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 9.0 μg/m3 (9) 2.5 μg/m3 (11) 51.0
 
May 18, 2022, 11 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) 0.0 ppb (0) 9.0 μg/m3 (9) 2.8 μg/m3 (12) 51.0
 
May 18, 2022, 10 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) 0.0 ppb (0) 1.0 μg/m3 (1) 2.9 μg/m3 (13) 55.0
 
May 18, 2022, 9 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) 0.0 ppb (0) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 55.0
 
May 18, 2022, 8 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A 14.0 μg/m3 (13) 3.8 μg/m3 (16) 61.0
 
May 18, 2022, 7 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A 40.0 μg/m3 (38) 4.6 μg/m3 (20) 61.0
 
May 18, 2022, 5 p.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.4 ppb (5) 18.0 μg/m3 (17) 5.8 μg/m3 (25) 50.0
 
May 18, 2022, 4 p.m. 8.8 ppb (9) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 6.4 μg/m3 (27) 43.0
 
May 18, 2022, 4 p.m. 8.8 ppb (9) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.4 ppb (5) 18.0 μg/m3 (17) 6.4 μg/m3 (27) 43.0
 
May 18, 2022, 3 p.m. 12.9 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 37.0
 
May 18, 2022, 3 p.m. 12.9 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 37.0
 
May 18, 2022, 2 p.m. 10.5 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.4 ppb (5) 27.0 μg/m3 (25) 6.9 μg/m3 (29) 33.0
 
May 18, 2022, 2 p.m. 10.5 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.4 ppb (5) 27.0 μg/m3 (25) 6.9 μg/m3 (29) 33.0
 
May 18, 2022, 1 p.m. 19.7 ppb (19) 5.4 ppb (6) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.5 ppb (6) 32.0 μg/m3 (30) 10.7 μg/m3 (45) 45.0
 
May 18, 2022, 1 p.m. 19.7 ppb (19) 5.4 ppb (6) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.5 ppb (6) 32.0 μg/m3 (30) 10.7 μg/m3 (45) 45.0
 
May 18, 2022, noon 11.8 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.4 ppb (5) 8.0 μg/m3 (8) 6.8 μg/m3 (29) 29.0
 
May 18, 2022, noon 11.8 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.4 ppb (5) 8.0 μg/m3 (8) 6.8 μg/m3 (29) 29.0
 
May 18, 2022, 11 a.m. 11.8 ppb (12) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 12.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
May 18, 2022, 10 a.m. 8.3 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 27.0
 
May 18, 2022, 2 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.5 ppb (6) 18.0 μg/m3 (17) 5.5 μg/m3 (23) 38.0
 
May 18, 2022, 1 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.3 ppb (4) 4.0 μg/m3 (4) 4.3 μg/m3 (18) 45.0
 
May 18, 2022, midnight 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.3 ppb (4) 11.0 μg/m3 (11) 4.5 μg/m3 (19) 48.0
 
May 17, 2022, 11 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 12.0 μg/m3 (12) 4.9 μg/m3 (21) 47.0
 
May 17, 2022, 10 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.3 ppb (4) 26.0 μg/m3 (25) 5.5 μg/m3 (23) 46.0
 
May 17, 2022, 9 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.3 ppb (4) N/A 7.1 μg/m3 (30) 48.0
 
May 17, 2022, 9 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.3 ppb (4) N/A 7.1 μg/m3 (30) 48.0
 
May 17, 2022, 8 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 11.0 μg/m3 (11) 5.5 μg/m3 (23) 47.0
 
May 17, 2022, 7 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.3 ppb (4) 11.0 μg/m3 (11) 4.3 μg/m3 (18) 45.0
 
May 17, 2022, 7 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.3 ppb (4) 11.0 μg/m3 (11) 4.3 μg/m3 (18) 45.0
 
May 17, 2022, 6 p.m. 5.7 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.4 ppb (5) 23.0 μg/m3 (22) 5.5 μg/m3 (23) 35.0
 
May 17, 2022, 6 p.m. 5.7 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.4 ppb (5) 23.0 μg/m3 (22) 5.5 μg/m3 (23) 35.0
 
May 17, 2022, 5 p.m. 5.8 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 18.0 μg/m3 (17) 4.8 μg/m3 (20) 32.0
 
May 17, 2022, 5 p.m. 5.8 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.3 ppb (4) 18.0 μg/m3 (17) 4.8 μg/m3 (20) 32.0
 
May 17, 2022, 4 p.m. 6.6 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.3 ppb (4) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 30.0
 
May 17, 2022, 4 p.m. 6.6 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.3 ppb (4) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 30.0
 
May 17, 2022, 3 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 11.0 μg/m3 (11) 4.5 μg/m3 (19) 29.0
 
May 17, 2022, 3 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.3 ppb (4) 11.0 μg/m3 (11) 4.5 μg/m3 (19) 29.0
 
May 17, 2022, 2 p.m. 8.2 ppb (8) 2.6 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.4 ppb (5) 12.0 μg/m3 (12) 4.3 μg/m3 (18) 26.0
 
May 17, 2022, noon 7.7 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 23.0
 
May 17, 2022, noon 7.7 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 23.0
 
May 17, 2022, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.3 ppb (4) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 31.0
 
May 17, 2022, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.3 ppb (4) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 31.0
 
May 17, 2022, 9 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.3 ppb (4) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 35.0
 
May 17, 2022, 8 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.3 ppb (4) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 38.0
 
May 17, 2022, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.3 ppb (4) 12.0 μg/m3 (12) 2.1 μg/m3 (9) 40.0
 
May 17, 2022, 4 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.3 ppb (4) 22.0 μg/m3 (21) 2.5 μg/m3 (11) 39.0
 
May 17, 2022, 3 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.3 ppb (4) 26.0 μg/m3 (25) 3.4 μg/m3 (15) 40.0
 
May 17, 2022, 1 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.3 ppb (4) 56.0 μg/m3 (52) 5.4 μg/m3 (23) 52.0
 
May 17, 2022, midnight 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.3 ppb (4) 10.0 μg/m3 (10) 2.6 μg/m3 (11) 46.0
 
May 16, 2022, 11 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 6.0 μg/m3 (6) 2.6 μg/m3 (11) 47.0
 
May 16, 2022, 9 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) 0.3 ppb (4) 14.0 μg/m3 (13) 2.8 μg/m3 (12) 58.0
 
May 16, 2022, 9 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) 0.3 ppb (4) 14.0 μg/m3 (13) 2.8 μg/m3 (12) 58.0
 
May 16, 2022, 8 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) 0.3 ppb (4) 23.0 μg/m3 (22) 3.7 μg/m3 (16) 74.0
 
May 16, 2022, 7 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.3 ppb (4) 44.0 μg/m3 (41) 4.4 μg/m3 (19) 71.0
 
May 16, 2022, 5 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.3 ppb (4) 22.0 μg/m3 (21) 3.9 μg/m3 (17) 48.0
 
May 16, 2022, 5 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.3 ppb (4) 22.0 μg/m3 (21) 3.9 μg/m3 (17) 48.0
 
May 16, 2022, 4 p.m. 7.3 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.3 ppb (4) 29.0 μg/m3 (27) 4.9 μg/m3 (21) 38.0
 
May 16, 2022, 3 p.m. 16.5 ppb (16) 6.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.4 ppb (5) 38.0 μg/m3 (36) 6.5 μg/m3 (28) 36.0
 
May 16, 2022, 2 p.m. 26.6 ppb (26) 12.0 ppb (12) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.5 ppb (6) 30.0 μg/m3 (28) 7.2 μg/m3 (31) 31.0
 
May 16, 2022, 1 p.m. 16.2 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) 0.5 ppb (6) 22.0 μg/m3 (21) 4.8 μg/m3 (20) 21.0
 
May 16, 2022, 6 a.m. 14.6 ppb (14) 0.2 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.4 ppb (5) 6.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
May 16, 2022, 5 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.4 ppb (5) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 31.0
 
May 16, 2022, 4 a.m. 3.2 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.4 ppb (5) 7.0 μg/m3 (7) 2.4 μg/m3 (10) 38.0
 
May 16, 2022, 3 a.m. 4.8 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.4 ppb (5) 13.0 μg/m3 (13) 2.6 μg/m3 (11) 34.0
 
May 16, 2022, 2 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.4 ppb (5) 10.0 μg/m3 (10) 2.8 μg/m3 (12) 36.0
 
May 16, 2022, 2 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.4 ppb (5) 10.0 μg/m3 (10) 2.8 μg/m3 (12) 36.0
 
May 16, 2022, 1 a.m. 4.6 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.4 ppb (5) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 43.0
 
May 16, 2022, midnight 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) 0.3 ppb (4) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 49.0
 
May 15, 2022, 10 p.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) 0.3 ppb (4) 9.0 μg/m3 (9) 3.8 μg/m3 (16) 51.0
 
May 15, 2022, 9 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) 0.3 ppb (4) 9.0 μg/m3 (9) 3.8 μg/m3 (16) 55.0
 
May 15, 2022, 8 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) 0.3 ppb (4) 9.0 μg/m3 (9) 3.2 μg/m3 (14) 50.0
 
May 15, 2022, 7 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.3 ppb (4) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 46.0
 
May 15, 2022, 6 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.3 ppb (4) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 42.0
 
May 15, 2022, 5 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.3 ppb (4) 1.0 μg/m3 (1) 3.1 μg/m3 (13) 38.0
 
May 15, 2022, 4 p.m. 5.3 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.4 ppb (5) 4.0 μg/m3 (4) 3.9 μg/m3 (17) 32.0
 
May 15, 2022, 10 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.4 ppb (5) 8.0 μg/m3 (8) 2.9 μg/m3 (13) 25.0
 
May 15, 2022, 9 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.4 ppb (5) 14.0 μg/m3 (13) 3.2 μg/m3 (14) 23.0
 
May 15, 2022, 8 a.m. 3.5 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.4 ppb (5) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 24.0
 
May 15, 2022, 7 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.4 ppb (5) 7.0 μg/m3 (7) 2.9 μg/m3 (13) 30.0
 
May 15, 2022, 6 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 10.0 μg/m3 (10) 1.8 μg/m3 (8) 37.0
 
May 15, 2022, 6 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 10.0 μg/m3 (10) 1.8 μg/m3 (8) 37.0
 
May 15, 2022, 5 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.3 ppb (4) 11.0 μg/m3 (11) 2.1 μg/m3 (9) 38.0
 
May 15, 2022, 5 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.3 ppb (4) 11.0 μg/m3 (11) 2.1 μg/m3 (9) 38.0
 
May 15, 2022, 4 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.3 ppb (4) 12.0 μg/m3 (12) 2.3 μg/m3 (10) 37.0
 
May 15, 2022, 3 a.m. 4.6 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.4 ppb (5) 23.0 μg/m3 (22) 3.1 μg/m3 (13) 32.0
 
May 15, 2022, 2 a.m. 7.2 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.4 ppb (5) 12.0 μg/m3 (12) 3.8 μg/m3 (16) 31.0
 
May 15, 2022, midnight 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.3 ppb (4) 3.0 μg/m3 (3) 1.7 μg/m3 (8) 43.0
 
May 14, 2022, 10 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.3 ppb (4) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 44.0
 
May 14, 2022, 9 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.3 ppb (4) 7.0 μg/m3 (7) 2.6 μg/m3 (11) 45.0
 
May 14, 2022, 8 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.3 ppb (4) 7.0 μg/m3 (7) 3.4 μg/m3 (15) 47.0
 
May 14, 2022, 7 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.3 ppb (4) 7.0 μg/m3 (7) 2.9 μg/m3 (13) 48.0
 
May 14, 2022, 6 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) 0.3 ppb (4) 7.0 μg/m3 (7) 3.7 μg/m3 (16) 49.0
 
May 14, 2022, 5 p.m. 5.9 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.4 ppb (5) 3.0 μg/m3 (3) 4.9 μg/m3 (21) 44.0
 
May 14, 2022, 5 p.m. 5.9 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.4 ppb (5) 3.0 μg/m3 (3) 4.9 μg/m3 (21) 44.0
 
May 14, 2022, 5 p.m. 5.9 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.4 ppb (5) 3.0 μg/m3 (3) 4.9 μg/m3 (21) 44.0
 
May 14, 2022, 4 p.m. 8.5 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 37.0
 
May 14, 2022, 3 p.m. 5.6 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.4 ppb (5) 13.0 μg/m3 (13) 5.2 μg/m3 (22) 37.0
 
May 14, 2022, 9 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.5 ppb (6) 3.0 μg/m3 (3) 4.7 μg/m3 (20) 22.0
 
May 14, 2022, 8 a.m. 9.3 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.5 ppb (6) 6.0 μg/m3 (6) 4.4 μg/m3 (19) 21.0
 
May 14, 2022, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.4 ppb (5) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 28.0
 
May 14, 2022, 6 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.4 ppb (5) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 33.0
 
May 14, 2022, 5 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.4 ppb (5) 3.0 μg/m3 (3) 2.7 μg/m3 (12) 38.0
 
May 14, 2022, 4 a.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.4 ppb (5) 3.0 μg/m3 (3) 2.9 μg/m3 (13) 38.0
 
May 14, 2022, 2 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.4 ppb (5) 17.0 μg/m3 (16) 2.4 μg/m3 (10) 38.0
 
May 14, 2022, 1 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.4 ppb (5) 8.0 μg/m3 (8) 2.4 μg/m3 (10) 45.0
 
May 14, 2022, midnight 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.3 ppb (4) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 46.0
 
May 14, 2022, midnight 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.3 ppb (4) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 46.0
 
May 13, 2022, 6 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.3 ppb (4) 8.0 μg/m3 (8) 1.9 μg/m3 (8) 39.0
 
May 13, 2022, 3 p.m. 22.6 ppb (22) 7.4 ppb (7) N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) 0.5 ppb (6) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 25.0
 
May 13, 2022, 2 p.m. 24.5 ppb (24) 5.3 ppb (5) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) 0.5 ppb (6) 12.0 μg/m3 (12) 3.8 μg/m3 (16) 24.0
 
May 13, 2022, 1 p.m. 24.8 ppb (24) 5.5 ppb (6) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) 0.6 ppb (7) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 24.0
 
May 13, 2022, noon 15.2 ppb (15) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) 0.5 ppb (6) 7.0 μg/m3 (7) 2.2 μg/m3 (10) 19.0
 
May 13, 2022, 10 a.m. 9.9 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.4 ppb (5) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 25.0
 
May 13, 2022, 10 a.m. 9.9 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.4 ppb (5) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 25.0
 
May 13, 2022, 9 a.m. 6.2 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.4 ppb (5) 0.0 μg/m3 (0) 1.7 μg/m3 (8) 28.0
 
May 13, 2022, 9 a.m. 6.2 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.4 ppb (5) 0.0 μg/m3 (0) 1.7 μg/m3 (8) 28.0
 
May 13, 2022, 8 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.4 ppb (5) 0.0 μg/m3 (0) 1.8 μg/m3 (8) 25.0
 
May 13, 2022, 7 a.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.4 ppb (5) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 25.0
 
May 13, 2022, 6 a.m. 8.3 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.4 ppb (5) 2.0 μg/m3 (2) 3.0 μg/m3 (13) 24.0
 
May 13, 2022, 5 a.m. 7.9 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.4 ppb (5) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 29.0
 
May 13, 2022, 4 a.m. 8.4 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.4 ppb (5) 7.0 μg/m3 (7) 1.8 μg/m3 (8) 31.0
 
May 13, 2022, 2 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.4 ppb (5) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 41.0
 
May 13, 2022, 1 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.4 ppb (5) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 44.0
 
May 13, 2022, midnight 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.4 ppb (5) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 44.0
 
May 12, 2022, 11 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.4 ppb (5) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 45.0
 
May 12, 2022, 10 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.4 ppb (5) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 45.0
 
May 12, 2022, 9 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.4 ppb (5) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 45.0
 
May 12, 2022, 8 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.3 ppb (4) 5.0 μg/m3 (5) 1.3 μg/m3 (6) 44.0
 
May 12, 2022, 7 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.4 ppb (5) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 43.0