ID: 87

AQSQID: 040131004

Site Name: North Phoenix

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

Updated: Jan. 16, 2021, 11:31 a.m.

Location: Phoenix (N Mtain), AZ

Reporting: True, Located: True

Current AQI: 46.0

Phoenix (N Mtain) AZ, US: 33.560299, -112.066299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 24.1 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 33.3 μg/m3 (31) 14.4 μg/m3 (56) 56.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 37.3 μg/m3 (35) 16.2 μg/m3 (60) 60.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 40.8 μg/m3 (38) 18.9 μg/m3 (66) 66.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 54.1 μg/m3 (51) 25.8 μg/m3 (80) 80.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 51.8 μg/m3 (48) 19.7 μg/m3 (67) 67.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 63.0 μg/m3 (55) 19.1 μg/m3 (66) 66.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 64.5 μg/m3 (56) 14.8 μg/m3 (57) 57.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 35.8 μg/m3 (34) 6.8 μg/m3 (29) 34.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.0 μg/m3 (18) 2.1 μg/m3 (9) 30.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 15.8 μg/m3 (15) 1.9 μg/m3 (8) 36.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 12.0 μg/m3 (12) 1.2 μg/m3 (5) 38.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 11.9 μg/m3 (12) 1.2 μg/m3 (5) 39.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 11.7 μg/m3 (11) 2.8 μg/m3 (12) 39.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.7 μg/m3 (13) 3.1 μg/m3 (13) 37.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 24.8 μg/m3 (23) 7.7 μg/m3 (33) 33.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 27.4 μg/m3 (26) 5.5 μg/m3 (23) 26.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 52.8 μg/m3 (49) 9.1 μg/m3 (38) 49.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 44.5 μg/m3 (42) 8.1 μg/m3 (34) 42.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 21.3 μg/m3 (20) 3.9 μg/m3 (17) 20.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 19.6 μg/m3 (19) 5.5 μg/m3 (23) 23.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 17.2 μg/m3 (16) 7.3 μg/m3 (31) 31.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 14.5 μg/m3 (14) 6.8 μg/m3 (29) 29.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 17.5 μg/m3 (17) 6.3 μg/m3 (27) 27.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 25.8 μg/m3 (24) 12.2 μg/m3 (52) 52.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 30.3 μg/m3 (29) 14.4 μg/m3 (56) 56.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 23.7 μg/m3 (22) 8.9 μg/m3 (38) 38.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 33.2 μg/m3 (31) 12.6 μg/m3 (53) 53.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 51.7 μg/m3 (48) 21.4 μg/m3 (71) 71.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 74.9 μg/m3 (61) 29.7 μg/m3 (89) 89.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 96.2 μg/m3 (72) 34.5 μg/m3 (99) 99.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 92.8 μg/m3 (70) 31.1 μg/m3 (91) 91.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 54.8 μg/m3 (51) 18.6 μg/m3 (65) 65.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 51.6 μg/m3 (48) 20.1 μg/m3 (68) 68.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 54.2 μg/m3 (51) 20.9 μg/m3 (70) 70.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 50.5 μg/m3 (47) 17.2 μg/m3 (62) 62.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 36.7 μg/m3 (34) 13.9 μg/m3 (55) 55.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 25.4 μg/m3 (24) 7.7 μg/m3 (33) 33.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 29.3 μg/m3 (28) 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 34.3 μg/m3 (32) 12.3 μg/m3 (52) 52.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 37.3 μg/m3 (35) 13.5 μg/m3 (54) 54.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 50.6 μg/m3 (47) 17.6 μg/m3 (63) 63.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 84.1 μg/m3 (66) 19.5 μg/m3 (67) 67.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 40.8 μg/m3 (38) 13.1 μg/m3 (54) 54.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 28.6 μg/m3 (27) 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 29.4 μg/m3 (28) 10.9 μg/m3 (46) 46.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.5 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 35.6 μg/m3 (33) 19.8 μg/m3 (68) 68.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 35.9 μg/m3 (34) 19.1 μg/m3 (66) 66.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 40.8 μg/m3 (38) 22.1 μg/m3 (73) 73.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 42.0 μg/m3 (39) 20.3 μg/m3 (69) 69.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 42.4 μg/m3 (40) 19.6 μg/m3 (67) 67.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 45.1 μg/m3 (42) 20.2 μg/m3 (69) 69.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 55.0 μg/m3 (51) 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 67.8 μg/m3 (58) 20.2 μg/m3 (69) 69.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 59.5 μg/m3 (54) 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 42.3 μg/m3 (40) 7.2 μg/m3 (31) 40.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 22.1 μg/m3 (21) 6.6 μg/m3 (28) 28.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.7 μg/m3 (16) 5.0 μg/m3 (21) 31.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 16.1 μg/m3 (15) 3.7 μg/m3 (16) 34.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 14.9 μg/m3 (14) 2.1 μg/m3 (9) 32.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 21.1 μg/m3 (20) 6.3 μg/m3 (27) 29.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 28.4 μg/m3 (27) 10.7 μg/m3 (45) 45.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 26.9 μg/m3 (25) 8.9 μg/m3 (38) 38.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 52.6 μg/m3 (49) 11.3 μg/m3 (48) 49.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 36.1 μg/m3 (34) 9.4 μg/m3 (40) 40.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 22.4 μg/m3 (21) 7.3 μg/m3 (31) 31.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 16.4 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 15.1 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 15.8 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 16.5 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 15.2 μg/m3 (15) 6.1 μg/m3 (26) 26.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 16.5 μg/m3 (16) 6.3 μg/m3 (27) 27.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 24.6 μg/m3 (23) 10.1 μg/m3 (43) 43.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 39.8 μg/m3 (37) 21.1 μg/m3 (70) 70.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 46.3 μg/m3 (43) 24.1 μg/m3 (77) 77.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 53.7 μg/m3 (50) 27.3 μg/m3 (83) 83.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 50.9 μg/m3 (48) 21.0 μg/m3 (70) 70.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 23.9 μg/m3 (23) 6.5 μg/m3 (28) 28.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.6 μg/m3 (15) 3.0 μg/m3 (13) 30.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.1 μg/m3 (13) 3.7 μg/m3 (16) 37.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 13.9 μg/m3 (13) 4.3 μg/m3 (18) 38.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 11.6 μg/m3 (11) 3.0 μg/m3 (13) 38.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 11.0 μg/m3 (11) 3.2 μg/m3 (14) 37.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 11.3 μg/m3 (11) 3.4 μg/m3 (15) 35.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.5 μg/m3 (15) 5.3 μg/m3 (23) 31.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 14.4 μg/m3 (14) 4.0 μg/m3 (17) 28.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 40.1 μg/m3 (38) 8.4 μg/m3 (36) 38.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 39.4 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 24.0 μg/m3 (23) 6.1 μg/m3 (26) 26.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 17.1 μg/m3 (16) 3.3 μg/m3 (14) 16.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 8.4 μg/m3 (8) 3.1 μg/m3 (13) 15.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 8.9 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 11.2 μg/m3 (11) 3.8 μg/m3 (16) 19.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 8.1 μg/m3 (8) 3.3 μg/m3 (14) 27.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 12.4 μg/m3 (12) 4.0 μg/m3 (17) 30.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 15.1 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 28.8 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 42.3 μg/m3 (40) 18.7 μg/m3 (65) 65.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 40.4 μg/m3 (38) 15.8 μg/m3 (59) 59.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 41.1 μg/m3 (39) 14.9 μg/m3 (57) 57.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 29.4 μg/m3 (28) 10.9 μg/m3 (46) 46.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 17.1 μg/m3 (16) 5.1 μg/m3 (22) 22.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 7.2 μg/m3 (7) 2.3 μg/m3 (10) 34.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 5.5 μg/m3 (6) 2.0 μg/m3 (9) 40.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 4.1 μg/m3 (4) 0.7 μg/m3 (3) 40.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 7.9 μg/m3 (8) 2.7 μg/m3 (12) 39.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 5.5 μg/m3 (6) 1.5 μg/m3 (7) 38.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 5.7 μg/m3 (6) 1.1 μg/m3 (5) 34.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 5.9 μg/m3 (6) 1.2 μg/m3 (5) 31.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (21) 6.3 μg/m3 (27) 27.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 12.6 μg/m3 (12) 5.6 μg/m3 (24) 24.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.5 μg/m3 (9) 4.3 μg/m3 (18) 23.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 8.3 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 11.9 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 19.5 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 18.0 μg/m3 (17) 9.7 μg/m3 (41) 41.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.1 μg/m3 (18) 10.4 μg/m3 (44) 44.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 26.4 μg/m3 (25) 15.5 μg/m3 (59) 59.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 33.2 μg/m3 (31) 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 37.9 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 35.2 μg/m3 (33) 13.3 μg/m3 (54) 54.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 15.1 μg/m3 (14) 5.6 μg/m3 (24) 24.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 9.8 μg/m3 (10) 3.9 μg/m3 (17) 40.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 7.4 μg/m3 (7) 4.9 μg/m3 (21) 44.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 5.8 μg/m3 (6) 3.5 μg/m3 (15) 45.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 7.4 μg/m3 (7) 5.4 μg/m3 (23) 45.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 6.0 μg/m3 (6) 3.1 μg/m3 (13) 43.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 10.4 μg/m3 (10) 4.9 μg/m3 (21) 40.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 9.9 μg/m3 (10) 5.5 μg/m3 (23) 36.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 14.4 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 20.3 μg/m3 (19) 9.7 μg/m3 (41) 41.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 32.4 μg/m3 (30) 6.4 μg/m3 (27) 30.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 12.5 μg/m3 (12) 4.1 μg/m3 (18) 18.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 23.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 8.4 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.7 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
Jan. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 29.0
 
Jan. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 11.2 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 14.4 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
Jan. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 10.4 μg/m3 (10) 4.3 μg/m3 (18) 26.0
 
Jan. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 11.5 μg/m3 (11) 2.3 μg/m3 (10) 34.0
 
Jan. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 13.2 μg/m3 (13) 3.2 μg/m3 (14) 43.0
 
Jan. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.4 μg/m3 (11) 5.0 μg/m3 (21) 33.0
 
Jan. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 14.4 μg/m3 (14) 3.0 μg/m3 (13) 35.0
 
Jan. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 36.3 μg/m3 (34) 11.8 μg/m3 (50) 50.0
 
Jan. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 30.0 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
Jan. 10, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.6 μg/m3 (17) 2.4 μg/m3 (10) 29.0
 
Jan. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 13.7 μg/m3 (13) 2.1 μg/m3 (9) 38.0
 
Jan. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.0 μg/m3 (13) 3.3 μg/m3 (14) 41.0
 
Jan. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 27.4 μg/m3 (26) 9.3 μg/m3 (39) 41.0
 
Jan. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 38.0 μg/m3 (36) 16.2 μg/m3 (60) 60.0
 
Jan. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 47.3 μg/m3 (44) 23.3 μg/m3 (75) 75.0
 
Jan. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 46.3 μg/m3 (43) 22.7 μg/m3 (74) 74.0
 
Jan. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 44.7 μg/m3 (42) 21.2 μg/m3 (71) 71.0
 
Jan. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 43.4 μg/m3 (41) 18.0 μg/m3 (64) 64.0
 
Jan. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 46.5 μg/m3 (44) 18.3 μg/m3 (65) 65.0
 
Jan. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 36.1 μg/m3 (34) 12.3 μg/m3 (52) 52.0
 
Jan. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 34.9 μg/m3 (33) 16.9 μg/m3 (62) 62.0
 
Jan. 9, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 41.8 μg/m3 (39) 23.6 μg/m3 (76) 76.0
 
Jan. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 38.7 μg/m3 (36) 21.8 μg/m3 (72) 72.0
 
Jan. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 46.9 μg/m3 (44) 28.3 μg/m3 (86) 86.0