ID: 969

AQSQID: 320311005

Site Name: Sparks

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

Updated: Jan. 19, 2022, 9:34 p.m.

Location: Sparks (4th St), NV

Reporting: True, Located: True

Current AQI: 31.0

Sparks (4th St) NV, US: 39.54092, -119.746764

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 31.0
 
Jan. 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 36.0 μg/m3 (34) 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.9 ppb (11) 65.0 μg/m3 (56) 20.0 μg/m3 (68) 68.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.0 ppb (12) 67.0 μg/m3 (57) 11.0 μg/m3 (46) 57.0
 
Jan. 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.6 ppb (19) 63.0 μg/m3 (55) 20.0 μg/m3 (68) 68.0
 
Jan. 19, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (23) 40.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2022, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (12) 33.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (11) 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (11) 29.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.1 ppb (13) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Jan. 19, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 49.0 μg/m3 (46) 26.0 μg/m3 (81) 81.0
 
Jan. 19, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 47.0 μg/m3 (44) 22.0 μg/m3 (72) 72.0
 
Jan. 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (14) 57.0 μg/m3 (52) 28.0 μg/m3 (85) 85.0
 
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.5 ppb (18) 68.0 μg/m3 (58) 26.0 μg/m3 (81) 81.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 63.0 μg/m3 (55) 20.0 μg/m3 (68) 68.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.5 ppb (6) 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.6 ppb (7) 34.0 μg/m3 (32) 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.3 ppb (4) 20.0 μg/m3 (19) 5.0 μg/m3 (21) 23.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.2 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 33.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.3 ppb (4) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.3 ppb (4) 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.4 ppb (5) 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.5 ppb (6) 46.0 μg/m3 (43) 16.0 μg/m3 (60) 60.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.2 ppb (14) 84.0 μg/m3 (66) 28.0 μg/m3 (85) 85.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (15) 57.0 μg/m3 (52) 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.8 ppb (21) 25.0 μg/m3 (24) 24.0 μg/m3 (77) 77.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.4 ppb (16) 31.0 μg/m3 (29) 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 23.0 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 34.0 μg/m3 (32) 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 43.0 μg/m3 (40) 22.0 μg/m3 (72) 72.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 36.0 μg/m3 (34) 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 30.0 μg/m3 (28) 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.8 ppb (10) 38.0 μg/m3 (36) 19.0 μg/m3 (66) 66.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.6 ppb (7) 33.0 μg/m3 (31) 24.0 μg/m3 (77) 77.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.4 ppb (5) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.7 ppb (8) 51.0 μg/m3 (48) 15.0 μg/m3 (58) 58.0
 
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) 66.0 μg/m3 (57) 13.0 μg/m3 (53) 57.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.8 ppb (10) 67.0 μg/m3 (57) 14.0 μg/m3 (55) 57.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 28.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 31.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.2 ppb (3) 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.2 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 26.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.4 ppb (5) 42.0 μg/m3 (39) 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.6 ppb (7) 61.0 μg/m3 (54) 22.0 μg/m3 (72) 72.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.7 ppb (8) 32.0 μg/m3 (30) 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.3 ppb (15) 32.0 μg/m3 (30) 18.0 μg/m3 (64) 64.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 23.0 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.0 ppb (12) 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, noon 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) 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 26.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 25.0 μg/m3 (24) 18.0 μg/m3 (64) 64.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 28.0 μg/m3 (26) 21.0 μg/m3 (70) 70.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 23.0 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.5 ppb (6) 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.4 ppb (5) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.4 ppb (5) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.4 ppb (5) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.4 ppb (5) 30.0 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.3 ppb (4) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.3 ppb (4) 37.0 μg/m3 (35) 8.0 μg/m3 (34) 35.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) 17.0 μg/m3 (16) 3.0 μg/m3 (13) 25.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.2 ppb (3) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 27.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.2 ppb (3) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.3 ppb (4) 17.0 μg/m3 (16) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.4 ppb (5) 25.0 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.5 ppb (6) 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.7 ppb (8) 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 30.0 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 18.0 μg/m3 (17) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 23.0 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 32.0 μg/m3 (30) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.0 ppb (12) 22.0 μg/m3 (21) 23.0 μg/m3 (74) 74.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.3 ppb (15) 64.0 μg/m3 (56) 33.0 μg/m3 (95) 95.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.2 ppb (14) 53.0 μg/m3 (50) 27.0 μg/m3 (83) 83.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.4 ppb (16) 59.0 μg/m3 (53) 31.0 μg/m3 (91) 91.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.7 ppb (20) 73.0 μg/m3 (60) 35.0 μg/m3 (100) 100.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.4 ppb (16) 66.0 μg/m3 (57) 37.0 μg/m3 (105) 105.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.0 ppb (12) 51.0 μg/m3 (48) 20.0 μg/m3 (68) 68.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 0.7 ppb (8) 52.0 μg/m3 (49) 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.3 ppb (4) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 18.0
 
Jan. 16, 2022, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.2 ppb (3) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.2 ppb (3) 4.0 μg/m3 (4) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.2 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 31.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.2 ppb (3) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 10.0 μg/m3 (10) 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) 9.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.4 ppb (5) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.5 ppb (6) 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 1.1 ppb (13) 47.0 μg/m3 (44) 19.0 μg/m3 (66) 66.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.0 ppb (12) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (11) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (10) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 35.0 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (10) 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.6 ppb (7) 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.3 ppb (4) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.7 ppb (8) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.4 ppb (5) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 21.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 0.2 ppb (3) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2022, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 29.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 34.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 34.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 34.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 33.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 0.1 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.2 ppb (3) 31.0 μg/m3 (29) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.5 ppb (6) 43.0 μg/m3 (40) 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.9 ppb (11) 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.5 ppb (18) 42.0 μg/m3 (39) 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (15) 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.0 ppb (12) 29.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (11) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.7 ppb (8) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.6 ppb (7) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.4 ppb (5) 31.0 μg/m3 (29) 4.0 μg/m3 (17) 29.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.3 ppb (4) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 20.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.2 ppb (3) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 25.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.2 ppb (3) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 28.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.3 ppb (4) 19.0 μg/m3 (18) 0.0 μg/m3 (0) 27.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.3 ppb (4) 29.0 μg/m3 (27) -3.0 μg/m3 (0) 28.0
 
Jan. 14, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.3 ppb (4) 24.0 μg/m3 (23) -3.0 μg/m3 (0) 33.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 42.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.1 ppb (2) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 44.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) 46.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.3 ppb (4) 97.0 μg/m3 (72) 14.0 μg/m3 (55) 72.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.4 ppb (5) 43.0 μg/m3 (40) 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.4 ppb (5) 39.0 μg/m3 (37) 8.0 μg/m3 (34) 37.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 0.7 ppb (8) 32.0 μg/m3 (30) 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (15) 41.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (15) 41.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.2 ppb (14) 48.0 μg/m3 (45) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 41.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2022, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 45.0 μg/m3 (42) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (10) 46.0 μg/m3 (43) 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (10) 34.0 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 42.0 μg/m3 (39) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.0 ppb (12) 49.0 μg/m3 (46) 20.0 μg/m3 (68) 68.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 48.0 μg/m3 (45) 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (11) 51.0 μg/m3 (48) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 58.0 μg/m3 (53) 10.0 μg/m3 (42) 53.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 0.4 ppb (5) 43.0 μg/m3 (40) 3.0 μg/m3 (13) 40.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.2 ppb (3) 35.0 μg/m3 (33) 3.0 μg/m3 (13) 33.0
 
Jan. 13, 2022, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.2 ppb (3) 34.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.2 ppb (3) 47.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.3 ppb (4) 32.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.2 ppb (3) 38.0 μg/m3 (36) 14.0 μg/m3 (55) 55.0