ID: 955

AQSQID: 040134003

Site Name: South Phoenix

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

Updated: Oct. 19, 2021, 12:04 p.m.

Location: Phoenix (S Mtain), AZ

Reporting: True, Located: True

Current AQI: 45.0

Phoenix (S Mtain) AZ, US: 33.4033, -112.0731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.3 ppb (4) 48.0 μg/m3 (45) 7.4 μg/m3 (31) 45.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) 39.0 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.2 ppb (3) 40.0 μg/m3 (38) 7.0 μg/m3 (30) 38.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.2 ppb (3) 42.0 μg/m3 (39) 6.4 μg/m3 (27) 39.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.2 ppb (3) 42.0 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.2 ppb (3) 43.0 μg/m3 (40) 10.8 μg/m3 (46) 46.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.2 ppb (3) 46.0 μg/m3 (43) 10.3 μg/m3 (43) 43.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 47.0 μg/m3 (44) 8.6 μg/m3 (36) 44.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 35.0 μg/m3 (33) 5.9 μg/m3 (25) 39.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 37.0 μg/m3 (35) 5.1 μg/m3 (22) 37.0
 
Oct. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 36.0 μg/m3 (34) 5.6 μg/m3 (24) 38.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 33.0 μg/m3 (31) 5.6 μg/m3 (24) 39.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 9.0 μg/m3 (9) N/A 38.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.2 ppb (3) 14.0 μg/m3 (13) 1.4 μg/m3 (6) 35.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.1 ppb (2) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 35.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 28.0 μg/m3 (26) 7.7 μg/m3 (33) 33.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 23.0 μg/m3 (22) 3.2 μg/m3 (14) 32.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) 23.0 μg/m3 (22) 3.5 μg/m3 (15) 31.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.4 ppb (5) 71.0 μg/m3 (59) 10.3 μg/m3 (43) 59.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.7 ppb (8) 83.0 μg/m3 (65) 13.2 μg/m3 (54) 65.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (10) 58.0 μg/m3 (53) 9.6 μg/m3 (40) 53.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 34.0 μg/m3 (32) 8.3 μg/m3 (35) 35.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.4 ppb (5) 21.0 μg/m3 (20) 8.5 μg/m3 (36) 36.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.3 ppb (4) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.3 ppb (4) 23.0 μg/m3 (22) 8.9 μg/m3 (38) 38.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 24.0 μg/m3 (23) 5.8 μg/m3 (25) 25.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.4 ppb (5) 21.0 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.4 ppb (5) 22.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.5 ppb (6) 40.0 μg/m3 (38) 8.9 μg/m3 (38) 38.0
 
Oct. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.3 ppb (4) 26.0 μg/m3 (25) 5.9 μg/m3 (25) 29.0
 
Oct. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 28.0 μg/m3 (26) 8.0 μg/m3 (34) 37.0
 
Oct. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 26.0 μg/m3 (25) 4.7 μg/m3 (20) 33.0
 
Oct. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 30.0 μg/m3 (28) 6.2 μg/m3 (26) 38.0
 
Oct. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.2 ppb (3) 18.0 μg/m3 (17) 4.1 μg/m3 (18) 39.0
 
Oct. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.1 ppb (2) 18.0 μg/m3 (17) 5.1 μg/m3 (22) 46.0
 
Oct. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.1 ppb (2) 17.0 μg/m3 (16) 3.9 μg/m3 (17) 49.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.1 ppb (2) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 50.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.1 ppb (2) 18.0 μg/m3 (17) 3.4 μg/m3 (15) 50.0
 
Oct. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.1 ppb (2) 20.0 μg/m3 (19) 5.7 μg/m3 (24) 49.0
 
Oct. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.2 ppb (3) 24.0 μg/m3 (23) 6.6 μg/m3 (28) 41.0
 
Oct. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 27.0 μg/m3 (25) 5.5 μg/m3 (23) 37.0
 
Oct. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.4 ppb (5) 50.0 μg/m3 (47) 11.5 μg/m3 (48) 48.0
 
Oct. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.6 ppb (7) 53.0 μg/m3 (50) 11.8 μg/m3 (50) 50.0
 
Oct. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.5 ppb (6) 32.0 μg/m3 (30) 7.8 μg/m3 (33) 33.0
 
Oct. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.3 ppb (4) 27.0 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
Oct. 17, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 31.0 μg/m3 (29) 9.6 μg/m3 (40) 40.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (11) 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Oct. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (11) 42.0 μg/m3 (39) 13.1 μg/m3 (54) 54.0
 
Oct. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.7 ppb (8) 39.0 μg/m3 (37) 12.6 μg/m3 (53) 53.0
 
Oct. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.5 ppb (6) 37.0 μg/m3 (35) 11.6 μg/m3 (49) 49.0
 
Oct. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.6 ppb (7) 34.0 μg/m3 (32) 11.8 μg/m3 (50) 50.0
 
Oct. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.5 ppb (6) 39.0 μg/m3 (37) 13.3 μg/m3 (54) 54.0
 
Oct. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 52.0 μg/m3 (49) 17.2 μg/m3 (62) 62.0
 
Oct. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (14) 75.0 μg/m3 (61) 22.2 μg/m3 (73) 73.0
 
Oct. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.7 ppb (20) 100.0 μg/m3 (74) 24.2 μg/m3 (77) 77.0
 
Oct. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.5 ppb (18) 69.0 μg/m3 (58) 10.8 μg/m3 (46) 58.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.8 ppb (10) 36.0 μg/m3 (34) 5.0 μg/m3 (21) 34.0
 
Oct. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 29.0 μg/m3 (27) 5.2 μg/m3 (22) 38.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.1 ppb (2) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 45.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.1 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 46.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.1 ppb (2) 12.0 μg/m3 (12) 1.5 μg/m3 (7) 44.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.1 ppb (2) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 43.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) 0.1 ppb (2) 16.0 μg/m3 (15) 3.4 μg/m3 (15) 40.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.1 ppb (2) 23.0 μg/m3 (22) 3.8 μg/m3 (16) 38.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 29.0 μg/m3 (27) 3.1 μg/m3 (13) 34.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.2 ppb (3) 33.0 μg/m3 (31) 6.3 μg/m3 (27) 31.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.5 ppb (6) 61.0 μg/m3 (54) 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 64.0 μg/m3 (56) 18.2 μg/m3 (64) 64.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (12) 44.0 μg/m3 (41) 14.6 μg/m3 (57) 57.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 29.0 μg/m3 (27) 10.2 μg/m3 (43) 43.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.5 ppb (6) 23.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.4 ppb (5) 17.0 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.4 ppb (5) 25.0 μg/m3 (24) 7.9 μg/m3 (33) 33.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (10) 34.0 μg/m3 (32) 11.4 μg/m3 (48) 48.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (11) 43.0 μg/m3 (40) 12.6 μg/m3 (53) 53.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.3 ppb (15) 66.0 μg/m3 (57) 18.3 μg/m3 (65) 65.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.5 ppb (18) 58.0 μg/m3 (53) 13.7 μg/m3 (55) 55.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.3 ppb (15) 63.0 μg/m3 (55) 12.5 μg/m3 (52) 55.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (14) 41.0 μg/m3 (38) 6.5 μg/m3 (28) 38.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.6 ppb (7) 20.0 μg/m3 (19) 4.8 μg/m3 (20) 20.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 10.0 μg/m3 (10) 2.3 μg/m3 (10) 32.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 9.0 μg/m3 (9) 2.2 μg/m3 (10) 38.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.1 ppb (2) 11.0 μg/m3 (11) 2.6 μg/m3 (11) 39.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.1 ppb (2) 11.0 μg/m3 (11) 2.4 μg/m3 (10) 39.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.1 ppb (2) 11.0 μg/m3 (11) 4.4 μg/m3 (19) 39.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.1 ppb (2) 9.0 μg/m3 (9) 2.4 μg/m3 (10) 38.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.1 ppb (2) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 36.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 27.0 μg/m3 (25) 3.3 μg/m3 (14) 32.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.4 ppb (5) 53.0 μg/m3 (50) 13.3 μg/m3 (54) 54.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.8 ppb (10) 95.0 μg/m3 (71) 19.8 μg/m3 (68) 71.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.3 ppb (15) 120.0 μg/m3 (84) 21.1 μg/m3 (70) 84.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (14) 65.0 μg/m3 (56) 16.0 μg/m3 (60) 60.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 49.0 μg/m3 (46) 11.2 μg/m3 (47) 47.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.6 ppb (7) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.3 ppb (4) 24.0 μg/m3 (23) 6.8 μg/m3 (29) 29.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 0.4 ppb (5) 30.0 μg/m3 (28) 9.6 μg/m3 (40) 40.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 31.0 μg/m3 (29) 9.2 μg/m3 (39) 39.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.6 ppb (7) 35.0 μg/m3 (33) 11.2 μg/m3 (47) 47.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 39.0 μg/m3 (37) 11.1 μg/m3 (47) 47.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 55.0 μg/m3 (51) 13.5 μg/m3 (54) 54.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (11) 55.0 μg/m3 (51) 15.6 μg/m3 (59) 59.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (13) 60.0 μg/m3 (54) 11.8 μg/m3 (50) 54.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (11) 45.0 μg/m3 (42) 7.2 μg/m3 (31) 42.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.4 ppb (5) 25.0 μg/m3 (24) 4.2 μg/m3 (18) 25.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 23.0 μg/m3 (22) 4.3 μg/m3 (18) 42.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.2 ppb (3) 24.0 μg/m3 (23) 10.3 μg/m3 (43) 45.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.2 ppb (3) 34.0 μg/m3 (32) 21.8 μg/m3 (72) 72.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.2 ppb (3) 27.0 μg/m3 (25) 13.7 μg/m3 (55) 55.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.2 ppb (3) 18.0 μg/m3 (17) 5.3 μg/m3 (23) 46.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.2 ppb (3) 23.0 μg/m3 (22) 6.0 μg/m3 (25) 38.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.2 ppb (3) 26.0 μg/m3 (25) 6.3 μg/m3 (27) 32.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 28.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.6 ppb (7) N/A N/A 7.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (12) 48.0 μg/m3 (45) 12.5 μg/m3 (52) 52.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 44.0 μg/m3 (41) 13.8 μg/m3 (55) 55.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 42.0 μg/m3 (39) 15.2 μg/m3 (58) 58.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 38.0 μg/m3 (36) 12.5 μg/m3 (52) 52.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 55.0 μg/m3 (51) 14.5 μg/m3 (57) 57.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 50.0 μg/m3 (47) 11.1 μg/m3 (47) 47.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 54.0 μg/m3 (50) 12.5 μg/m3 (52) 52.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (11) 40.0 μg/m3 (38) 9.5 μg/m3 (40) 40.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 49.0 μg/m3 (46) 11.7 μg/m3 (49) 49.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.7 ppb (8) 46.0 μg/m3 (43) 11.7 μg/m3 (49) 49.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.1 ppb (13) 45.0 μg/m3 (42) 15.8 μg/m3 (59) 59.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.6 ppb (7) 43.0 μg/m3 (40) 14.8 μg/m3 (57) 57.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.4 ppb (5) 30.0 μg/m3 (28) 8.4 μg/m3 (36) 36.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 19.0 μg/m3 (18) 2.1 μg/m3 (9) 37.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 24.0 μg/m3 (23) 5.9 μg/m3 (25) 38.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 26.0 μg/m3 (25) 5.5 μg/m3 (23) 38.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) 0.2 ppb (3) 19.0 μg/m3 (18) 2.4 μg/m3 (10) 38.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.2 ppb (3) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 37.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 16.0 μg/m3 (15) 3.9 μg/m3 (17) 34.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.1 ppb (2) 22.0 μg/m3 (21) 3.9 μg/m3 (17) 31.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) 25.0 μg/m3 (24) 3.8 μg/m3 (16) 26.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) 32.0 μg/m3 (30) 6.9 μg/m3 (29) 30.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.2 ppb (3) 42.0 μg/m3 (39) 8.1 μg/m3 (34) 39.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.4 ppb (5) 47.0 μg/m3 (44) 7.2 μg/m3 (31) 44.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 61.0 μg/m3 (54) 10.5 μg/m3 (44) 54.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 46.0 μg/m3 (43) 10.1 μg/m3 (43) 43.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.5 ppb (6) 30.0 μg/m3 (28) 5.6 μg/m3 (24) 28.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.3 ppb (4) 32.0 μg/m3 (30) 5.4 μg/m3 (23) 30.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.3 ppb (4) 33.0 μg/m3 (31) 9.1 μg/m3 (38) 38.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.3 ppb (4) 29.0 μg/m3 (27) 7.3 μg/m3 (31) 31.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.4 ppb (5) 33.0 μg/m3 (31) 7.5 μg/m3 (32) 32.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.4 ppb (5) 27.0 μg/m3 (25) 4.1 μg/m3 (18) 25.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.4 ppb (5) 25.0 μg/m3 (24) 3.8 μg/m3 (16) 24.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.4 ppb (5) 35.0 μg/m3 (33) 8.7 μg/m3 (37) 37.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.5 ppb (6) 38.0 μg/m3 (36) 9.3 μg/m3 (39) 39.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.4 ppb (5) 35.0 μg/m3 (33) 3.5 μg/m3 (15) 33.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.2 ppb (3) 35.0 μg/m3 (33) 4.3 μg/m3 (18) 33.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.2 ppb (3) 37.0 μg/m3 (35) 4.3 μg/m3 (18) 35.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.1 ppb (2) 38.0 μg/m3 (36) 4.7 μg/m3 (20) 37.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.1 ppb (2) 43.0 μg/m3 (40) 6.4 μg/m3 (27) 40.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.1 ppb (2) 58.0 μg/m3 (53) 6.6 μg/m3 (28) 53.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.1 ppb (2) 74.0 μg/m3 (61) 7.1 μg/m3 (30) 61.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.1 ppb (2) 99.0 μg/m3 (73) 8.6 μg/m3 (36) 73.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.1 ppb (2) 127.0 μg/m3 (87) 14.0 μg/m3 (55) 87.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.1 ppb (2) 159.0 μg/m3 (103) 17.1 μg/m3 (62) 103.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.1 ppb (2) 165.0 μg/m3 (106) 17.4 μg/m3 (63) 106.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) 162.0 μg/m3 (105) 19.5 μg/m3 (67) 105.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.4 ppb (5) 139.0 μg/m3 (93) 16.8 μg/m3 (61) 93.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.3 ppb (4) 115.0 μg/m3 (81) 14.4 μg/m3 (56) 81.0
 
Oct. 12, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) 83.0 μg/m3 (65) 11.8 μg/m3 (50) 65.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) 122.0 μg/m3 (85) 15.9 μg/m3 (59) 85.0