ID: 86

AQSQID: 040131003

Site Name: Mesa - Brooks Reservoir

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

Updated: Jan. 24, 2022, 10:35 a.m.

Location: Mesa (Swest), AZ

Reporting: True, Located: True

Current AQI: 52.0

Mesa (Swest) AZ, US: 33.4105, -111.8651

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.6 ppb (7) 20.0 μg/m3 (19) 12.5 μg/m3 (52) 52.0
 
Jan. 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 22.0 μg/m3 (21) 14.9 μg/m3 (57) 57.0
 
Jan. 24, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.7 ppb (8) 25.0 μg/m3 (24) 16.8 μg/m3 (61) 61.0
 
Jan. 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 27.0 μg/m3 (25) 16.2 μg/m3 (60) 60.0
 
Jan. 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 20.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
Jan. 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.6 ppb (7) 18.0 μg/m3 (17) 11.2 μg/m3 (47) 47.0
 
Jan. 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.6 ppb (7) 15.0 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
Jan. 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.5 ppb (6) 13.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Jan. 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.5 ppb (6) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 29.0
 
Jan. 24, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 38.0
 
Jan. 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.3 ppb (4) 7.0 μg/m3 (7) 3.9 μg/m3 (17) 38.0
 
Jan. 23, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 37.0
 
Jan. 23, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.3 ppb (4) 4.0 μg/m3 (4) 1.5 μg/m3 (7) 36.0
 
Jan. 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.3 ppb (4) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 35.0
 
Jan. 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.3 ppb (4) 2.0 μg/m3 (2) -1.3 μg/m3 (0) 32.0
 
Jan. 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 6.0 μg/m3 (6) 3.1 μg/m3 (13) 29.0
 
Jan. 23, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.5 ppb (6) 13.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Jan. 23, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.5 ppb (6) 8.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Jan. 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.5 ppb (6) 6.0 μg/m3 (6) 3.1 μg/m3 (13) 18.0
 
Jan. 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.3 ppb (4) 5.0 μg/m3 (5) 3.6 μg/m3 (16) 22.0
 
Jan. 23, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 4.0 μg/m3 (4) 3.6 μg/m3 (16) 25.0
 
Jan. 23, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 3.0 μg/m3 (3) 3.1 μg/m3 (13) 28.0
 
Jan. 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 3.0 μg/m3 (3) 3.8 μg/m3 (16) 27.0
 
Jan. 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 4.0 μg/m3 (4) 4.5 μg/m3 (19) 25.0
 
Jan. 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.3 ppb (4) 4.0 μg/m3 (4) 3.9 μg/m3 (17) 21.0
 
Jan. 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 2.0 μg/m3 (2) 2.8 μg/m3 (12) 25.0
 
Jan. 23, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 0.0 μg/m3 (0) -0.2 μg/m3 (0) 29.0
 
Jan. 23, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.3 ppb (4) 5.0 μg/m3 (5) 5.4 μg/m3 (23) 35.0
 
Jan. 23, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 19.0 μg/m3 (18) 4.8 μg/m3 (20) 38.0
 
Jan. 23, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 20.0 μg/m3 (19) 4.6 μg/m3 (20) 38.0
 
Jan. 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.3 ppb (4) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 30.0
 
Jan. 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.4 ppb (5) 11.0 μg/m3 (11) 5.6 μg/m3 (24) 29.0
 
Jan. 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.3 ppb (4) 11.0 μg/m3 (11) 3.3 μg/m3 (14) 34.0
 
Jan. 23, 2022, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.3 ppb (4) 9.0 μg/m3 (9) 4.1 μg/m3 (18) 36.0
 
Jan. 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.3 ppb (4) 6.0 μg/m3 (6) 1.9 μg/m3 (8) 38.0
 
Jan. 22, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.3 ppb (4) 17.0 μg/m3 (16) 5.3 μg/m3 (23) 40.0
 
Jan. 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 17.0 μg/m3 (16) 6.7 μg/m3 (28) 37.0
 
Jan. 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.3 ppb (4) 13.0 μg/m3 (13) 6.3 μg/m3 (27) 32.0
 
Jan. 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.4 ppb (5) 12.0 μg/m3 (12) 3.7 μg/m3 (16) 27.0
 
Jan. 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.5 ppb (6) 18.0 μg/m3 (17) 5.6 μg/m3 (24) 24.0
 
Jan. 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.5 ppb (6) 9.0 μg/m3 (9) 1.7 μg/m3 (8) 20.0
 
Jan. 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 16.0 μg/m3 (15) 4.1 μg/m3 (18) 28.0
 
Jan. 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 20.0 μg/m3 (19) 7.6 μg/m3 (32) 32.0
 
Jan. 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.5 ppb (6) 11.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
Jan. 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.4 ppb (5) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 13.0
 
Jan. 22, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 3.0 μg/m3 (3) 1.6 μg/m3 (7) 28.0
 
Jan. 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 1.0 μg/m3 (1) 0.8 μg/m3 (4) 29.0
 
Jan. 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.3 ppb (4) 4.0 μg/m3 (4) 3.2 μg/m3 (14) 31.0
 
Jan. 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 4.0 μg/m3 (4) 2.2 μg/m3 (10) 29.0
 
Jan. 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 27.0
 
Jan. 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.4 ppb (5) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
Jan. 22, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.4 ppb (5) 18.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
Jan. 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.5 ppb (6) 21.0 μg/m3 (20) 8.9 μg/m3 (38) 38.0
 
Jan. 22, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.6 ppb (7) 23.0 μg/m3 (22) 10.8 μg/m3 (46) 46.0
 
Jan. 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.8 ppb (10) 21.0 μg/m3 (20) 8.5 μg/m3 (36) 36.0
 
Jan. 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.6 ppb (7) 19.0 μg/m3 (18) 6.2 μg/m3 (26) 26.0
 
Jan. 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.4 ppb (5) 10.0 μg/m3 (10) 1.8 μg/m3 (8) 25.0
 
Jan. 22, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 7.0 μg/m3 (7) 2.8 μg/m3 (12) 38.0
 
Jan. 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.3 ppb (4) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 40.0
 
Jan. 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.3 ppb (4) 13.0 μg/m3 (13) 6.4 μg/m3 (27) 39.0
 
Jan. 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 38.0
 
Jan. 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 37.0
 
Jan. 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 11.0 μg/m3 (11) 4.2 μg/m3 (18) 33.0
 
Jan. 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) N/A N/A 4.0
 
Jan. 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 13.0 μg/m3 (13) 2.1 μg/m3 (9) 27.0
 
Jan. 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.4 ppb (5) 30.0 μg/m3 (28) 4.1 μg/m3 (18) 28.0
 
Jan. 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 18.0 μg/m3 (17) 3.7 μg/m3 (16) 17.0
 
Jan. 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.4 ppb (5) 9.0 μg/m3 (9) 3.4 μg/m3 (15) 15.0
 
Jan. 21, 2022, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.4 ppb (5) 13.0 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 10.0
 
Jan. 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.4 ppb (5) 6.0 μg/m3 (6) 2.6 μg/m3 (11) 16.0
 
Jan. 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 8.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
Jan. 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.4 ppb (5) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 22.0
 
Jan. 21, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.4 ppb (5) 13.0 μg/m3 (13) 5.5 μg/m3 (23) 23.0
 
Jan. 21, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.4 ppb (5) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.6 ppb (7) 31.0 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
Jan. 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.7 ppb (8) 28.0 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
Jan. 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.5 ppb (6) 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.7 ppb (8) 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.5 ppb (6) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Jan. 21, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.3 ppb (4) 3.0 μg/m3 (3) 1.3 μg/m3 (6) 34.0
 
Jan. 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.3 ppb (4) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 38.0
 
Jan. 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.3 ppb (4) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 38.0
 
Jan. 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 4.0 μg/m3 (4) 2.5 μg/m3 (11) 38.0
 
Jan. 20, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 3.0 μg/m3 (3) 1.7 μg/m3 (8) 37.0
 
Jan. 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 7.0 μg/m3 (7) 5.8 μg/m3 (25) 33.0
 
Jan. 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.3 ppb (4) 7.0 μg/m3 (7) 4.8 μg/m3 (20) 31.0
 
Jan. 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 5.0 μg/m3 (5) 0.5 μg/m3 (3) 27.0
 
Jan. 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 9.0 μg/m3 (9) 4.3 μg/m3 (18) 25.0
 
Jan. 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.3 ppb (4) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
Jan. 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.4 ppb (5) 16.0 μg/m3 (15) 3.2 μg/m3 (14) 15.0
 
Jan. 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2022, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.4 ppb (5) 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.4 ppb (5) 6.0 μg/m3 (6) 4.6 μg/m3 (20) 20.0
 
Jan. 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 11.0 μg/m3 (11) 6.1 μg/m3 (26) 26.0
 
Jan. 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.4 ppb (5) 12.0 μg/m3 (12) 5.6 μg/m3 (24) 24.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.4 ppb (5) 17.0 μg/m3 (16) 7.5 μg/m3 (32) 32.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.5 ppb (6) 20.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
Jan. 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.5 ppb (6) 29.0 μg/m3 (27) 12.9 μg/m3 (53) 53.0
 
Jan. 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.8 ppb (10) 46.0 μg/m3 (43) 22.8 μg/m3 (74) 74.0
 
Jan. 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (12) 44.0 μg/m3 (41) 20.9 μg/m3 (70) 70.0
 
Jan. 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.6 ppb (7) 27.0 μg/m3 (25) 12.8 μg/m3 (53) 53.0
 
Jan. 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.6 ppb (7) 27.0 μg/m3 (25) 11.1 μg/m3 (47) 47.0
 
Jan. 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.5 ppb (6) 24.0 μg/m3 (23) 8.7 μg/m3 (37) 37.0
 
Jan. 20, 2022, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.4 ppb (5) 17.0 μg/m3 (16) 6.6 μg/m3 (28) 31.0
 
Jan. 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.3 ppb (4) 14.0 μg/m3 (13) 6.1 μg/m3 (26) 36.0
 
Jan. 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.3 ppb (4) 19.0 μg/m3 (18) 8.5 μg/m3 (36) 39.0
 
Jan. 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.3 ppb (4) 20.0 μg/m3 (19) 8.5 μg/m3 (36) 36.0
 
Jan. 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.4 ppb (5) 21.0 μg/m3 (20) 7.6 μg/m3 (32) 32.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.4 ppb (5) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 21.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.4 ppb (5) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
Jan. 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.4 ppb (5) 16.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 22.0 μg/m3 (21) 4.3 μg/m3 (18) 21.0
 
Jan. 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 21.0 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.4 ppb (5) 16.0 μg/m3 (15) 5.6 μg/m3 (24) 24.0
 
Jan. 19, 2022, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 12.0 μg/m3 (12) 5.6 μg/m3 (24) 24.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 5.0 μg/m3 (5) 1.9 μg/m3 (8) 18.0
 
Jan. 19, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.3 ppb (4) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 21.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.3 ppb (4) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 24.0
 
Jan. 19, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 25.0
 
Jan. 19, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.3 ppb (4) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 25.0
 
Jan. 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 4.0 μg/m3 (4) 2.2 μg/m3 (10) 28.0
 
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 27.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.4 ppb (5) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.5 ppb (6) 16.0 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.4 ppb (5) 23.0 μg/m3 (22) 10.6 μg/m3 (45) 45.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.5 ppb (6) 17.0 μg/m3 (16) 5.6 μg/m3 (24) 24.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 11.0 μg/m3 (11) 1.6 μg/m3 (7) 38.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.3 ppb (4) 12.0 μg/m3 (12) 3.8 μg/m3 (16) 42.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.3 ppb (4) 10.0 μg/m3 (10) 0.6 μg/m3 (3) 40.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.3 ppb (4) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 39.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 19.0 μg/m3 (18) 7.4 μg/m3 (31) 37.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.3 ppb (4) 15.0 μg/m3 (14) 2.3 μg/m3 (10) 26.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.4 ppb (5) 22.0 μg/m3 (21) 6.5 μg/m3 (28) 28.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.4 ppb (5) 25.0 μg/m3 (24) 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 30.0 μg/m3 (28) 5.2 μg/m3 (22) 28.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.6 ppb (7) 38.0 μg/m3 (36) 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.5 ppb (6) 37.0 μg/m3 (35) 9.7 μg/m3 (41) 41.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 32.0 μg/m3 (30) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.3 ppb (4) 19.0 μg/m3 (18) 7.2 μg/m3 (31) 31.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.4 ppb (5) 23.0 μg/m3 (22) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 33.0 μg/m3 (31) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.5 ppb (6) 28.0 μg/m3 (26) 7.7 μg/m3 (33) 33.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.5 ppb (6) 31.0 μg/m3 (29) 11.6 μg/m3 (49) 49.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.6 ppb (7) 32.0 μg/m3 (30) 10.5 μg/m3 (44) 44.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 25.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.4 ppb (5) 35.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.8 ppb (10) 45.0 μg/m3 (42) 17.6 μg/m3 (63) 63.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.0 ppb (12) 44.0 μg/m3 (41) 18.8 μg/m3 (66) 66.0
 
Jan. 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.5 ppb (6) 20.0 μg/m3 (19) 8.2 μg/m3 (35) 35.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.3 ppb (4) 19.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.3 ppb (4) 19.0 μg/m3 (18) 7.8 μg/m3 (33) 39.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.3 ppb (4) 21.0 μg/m3 (20) 8.8 μg/m3 (37) 38.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.3 ppb (4) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 37.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 17.0 μg/m3 (16) 2.0 μg/m3 (9) 33.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.4 ppb (5) 20.0 μg/m3 (19) 5.1 μg/m3 (22) 29.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.4 ppb (5) 21.0 μg/m3 (20) 5.8 μg/m3 (25) 25.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.5 ppb (6) 28.0 μg/m3 (26) 6.8 μg/m3 (29) 29.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.4 ppb (5) 25.0 μg/m3 (24) 3.2 μg/m3 (14) 24.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.4 ppb (5) 40.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.5 ppb (6) 24.0 μg/m3 (23) 3.8 μg/m3 (16) 23.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.5 ppb (6) 22.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.4 ppb (5) 18.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.5 ppb (6) 17.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0