ID: 128

AQSQID: 060195001

Site Name: Clovis - N. Villa Ave

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

Updated: Sept. 17, 2021, 5:54 p.m.

Location: Clovis (Mtain Ash Court), CA

Reporting: True, Located: True

Current AQI: 66.0

Clovis (Mtain Ash Court) CA, US: 36.819199, -119.7164

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 10, 2021, 4 p.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Sept. 10, 2021, 3 p.m. 6.8 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 27.0
 
Sept. 10, 2021, 2 p.m. 7.9 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2021, 1 p.m. 9.5 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Sept. 10, 2021, noon 7.3 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Sept. 10, 2021, 10 a.m. 8.4 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Sept. 10, 2021, 9 a.m. 7.8 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.17 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 10, 2021, 8 a.m. 7.8 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 10, 2021, 7 a.m. 6.7 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.19 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 10, 2021, 6 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.22 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 10, 2021, 5 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2021, 4 a.m. 5.3 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.18 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 10, 2021, 3 a.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.19 ppb (3) N/A 9.0 μg/m3 (38) 44.0
 
Sept. 10, 2021, 2 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 50.0
 
Sept. 10, 2021, 1 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) 0.21 ppb (3) N/A 5.0 μg/m3 (21) 58.0
 
Sept. 10, 2021, midnight 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 55.0
 
Sept. 9, 2021, 11 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 47.0
 
Sept. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2021, 9 p.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (84) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 84.0
 
Sept. 9, 2021, 8 p.m. 3.7 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) 0.17 ppb (3) N/A 9.0 μg/m3 (38) 78.0
 
Sept. 9, 2021, 7 p.m. 5.0 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 59.0 ppb (65) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 65.0
 
Sept. 9, 2021, 6 p.m. 6.8 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.18 ppb (3) N/A 11.0 μg/m3 (46) 55.0
 
Sept. 9, 2021, 5 p.m. 13.6 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 51.0 ppb (48) 0.24 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 9, 2021, 4 p.m. 17.0 ppb (17) 2.5 ppb (3) N/A 15.0 ppb (15) N/A N/A 38.0 ppb (36) 0.29 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 9, 2021, 3 p.m. 19.6 ppb (19) 2.8 ppb (3) N/A 17.0 ppb (17) N/A N/A 28.0 ppb (26) 0.29 ppb (4) N/A 25.0 μg/m3 (79) 79.0
 
Sept. 9, 2021, 2 p.m. 19.2 ppb (19) 1.8 ppb (2) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 25.0 μg/m3 (79) 79.0
 
Sept. 9, 2021, 1 p.m. 14.5 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.38 ppb (5) N/A 23.0 μg/m3 (74) 74.0
 
Sept. 9, 2021, noon 11.4 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.32 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Sept. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Sept. 9, 2021, 10 a.m. 14.1 ppb (14) 0.7 ppb (1) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.39 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Sept. 9, 2021, 9 a.m. 16.2 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 9, 2021, 8 a.m. 14.4 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 21.0 ppb (20) 0.36 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Sept. 9, 2021, 7 a.m. 14.9 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 25.0 ppb (24) 0.41 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 9, 2021, 6 a.m. 20.7 ppb (20) 0.3 ppb (1) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.55 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 9, 2021, 5 a.m. 19.1 ppb (19) 0.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 27.0 ppb (25) 0.51 ppb (6) N/A 22.0 μg/m3 (72) 72.0
 
Sept. 9, 2021, 4 a.m. 14.8 ppb (14) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 40.0 ppb (38) 0.48 ppb (6) N/A 24.0 μg/m3 (77) 77.0
 
Sept. 9, 2021, 3 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 55.0 ppb (51) 0.42 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Sept. 9, 2021, 2 a.m. 8.8 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 73.0 ppb (103) 0.43 ppb (5) N/A 16.0 μg/m3 (60) 103.0
 
Sept. 9, 2021, 1 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 92.0 ppb (113) 0.3 ppb (4) N/A 20.0 μg/m3 (68) 113.0
 
Sept. 9, 2021, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 96.0 ppb (115) 0.27 ppb (4) N/A 21.0 μg/m3 (70) 115.0
 
Sept. 8, 2021, 11 p.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 90.0 ppb (112) 0.24 ppb (3) N/A 22.0 μg/m3 (72) 112.0
 
Sept. 8, 2021, 10 p.m. 4.6 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 92.0 ppb (113) 0.24 ppb (3) N/A 16.0 μg/m3 (60) 113.0
 
Sept. 8, 2021, 9 p.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 93.0 ppb (113) 0.28 ppb (4) N/A 14.0 μg/m3 (55) 113.0
 
Sept. 8, 2021, 8 p.m. 6.0 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 85.0 ppb (109) 0.26 ppb (4) N/A 14.0 μg/m3 (55) 109.0
 
Sept. 8, 2021, 7 p.m. 7.8 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 66.0 ppb (87) 0.22 ppb (3) N/A 14.0 μg/m3 (55) 87.0
 
Sept. 8, 2021, 6 p.m. 6.1 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.23 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Sept. 8, 2021, 5 p.m. 7.9 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 46.0 ppb (43) 0.23 ppb (3) N/A 20.0 μg/m3 (68) 68.0
 
Sept. 8, 2021, 4 p.m. 8.1 ppb (8) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 8, 2021, 3 p.m. 11.4 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.23 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 8, 2021, 2 p.m. 15.7 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 8, 2021, 1 p.m. 11.0 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 8, 2021, noon 10.2 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 8, 2021, 10 a.m. 7.7 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) 0.22 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 8, 2021, 9 a.m. 11.5 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 8, 2021, 8 a.m. 10.1 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Sept. 8, 2021, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 8, 2021, 6 a.m. 4.6 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 36.0
 
Sept. 8, 2021, 5 a.m. 1.6 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 43.0
 
Sept. 8, 2021, 4 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 49.0
 
Sept. 8, 2021, 3 a.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) 0.21 ppb (3) N/A 14.0 μg/m3 (55) 81.0
 
Sept. 8, 2021, 2 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 87.0
 
Sept. 8, 2021, 1 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 87.0
 
Sept. 8, 2021, midnight 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) 0.23 ppb (3) N/A 13.0 μg/m3 (53) 97.0
 
Sept. 7, 2021, 11 p.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 83.0 ppb (108) 0.25 ppb (3) N/A 20.0 μg/m3 (68) 108.0
 
Sept. 7, 2021, 10 p.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 80.0 ppb (106) 0.25 ppb (3) N/A 16.0 μg/m3 (60) 106.0
 
Sept. 7, 2021, 9 p.m. 6.2 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 109.0 ppb (122) 0.33 ppb (4) N/A 20.0 μg/m3 (68) 122.0
 
Sept. 7, 2021, 8 p.m. 8.0 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 110.0 ppb (122) 0.35 ppb (4) N/A 28.0 μg/m3 (85) 122.0
 
Sept. 7, 2021, 7 p.m. 6.9 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 80.0 ppb (106) 0.29 ppb (4) N/A 20.0 μg/m3 (68) 106.0
 
Sept. 7, 2021, 6 p.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 71.0 ppb (101) 0.29 ppb (4) N/A 23.0 μg/m3 (74) 101.0
 
Sept. 7, 2021, 5 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (78) 0.29 ppb (4) N/A 22.0 μg/m3 (72) 78.0
 
Sept. 7, 2021, 4 p.m. 9.1 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 49.0 ppb (46) 0.31 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Sept. 7, 2021, 3 p.m. 14.1 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) 0.29 ppb (4) N/A 27.0 μg/m3 (83) 83.0
 
Sept. 7, 2021, 2 p.m. 19.8 ppb (19) 3.1 ppb (3) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.49 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 7, 2021, 1 p.m. 19.2 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (8) 0.41 ppb (5) N/A 25.0 μg/m3 (79) 79.0
 
Sept. 7, 2021, noon 14.7 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.41 ppb (5) N/A 25.0 μg/m3 (79) 79.0
 
Sept. 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Sept. 7, 2021, 10 a.m. 10.4 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.33 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
Sept. 7, 2021, 9 a.m. 9.8 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.32 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
Sept. 7, 2021, 8 a.m. 9.0 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.31 ppb (4) N/A 27.0 μg/m3 (83) 83.0
 
Sept. 7, 2021, 7 a.m. 7.4 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 7, 2021, 6 a.m. 5.5 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 7, 2021, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 7, 2021, 4 a.m. 4.5 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (55) 0.27 ppb (4) N/A 13.0 μg/m3 (53) 55.0
 
Sept. 7, 2021, 3 a.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (58) 0.3 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 7, 2021, 2 a.m. 5.1 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (81) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 81.0
 
Sept. 7, 2021, 1 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 71.0 ppb (101) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 101.0
 
Sept. 7, 2021, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 103.0
 
Sept. 6, 2021, 11 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 72.0 ppb (102) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 102.0
 
Sept. 6, 2021, 10 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 71.0 ppb (101) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 101.0
 
Sept. 6, 2021, 9 p.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (104) 0.27 ppb (4) N/A 15.0 μg/m3 (58) 104.0
 
Sept. 6, 2021, 8 p.m. 4.5 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 81.0 ppb (107) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 107.0
 
Sept. 6, 2021, 7 p.m. 8.3 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 92.0 ppb (113) 0.34 ppb (4) N/A 19.0 μg/m3 (66) 113.0
 
Sept. 6, 2021, 6 p.m. 6.6 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 73.0 ppb (103) 0.3 ppb (4) N/A 16.0 μg/m3 (60) 103.0
 
Sept. 6, 2021, 5 p.m. 6.2 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 60.0 ppb (68) 0.29 ppb (4) N/A 15.0 μg/m3 (58) 68.0
 
Sept. 6, 2021, 4 p.m. 7.8 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 48.0 ppb (45) 0.32 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Sept. 6, 2021, 3 p.m. 10.2 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.3 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Sept. 6, 2021, 2 p.m. 7.7 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 6, 2021, 1 p.m. 14.0 ppb (14) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 6, 2021, noon 15.9 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 6, 2021, 10 a.m. 10.9 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.38 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 6, 2021, 9 a.m. 9.7 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.36 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 6, 2021, 8 a.m. 6.2 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.28 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 6, 2021, 7 a.m. 8.6 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.33 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 6, 2021, 6 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 6, 2021, 5 a.m. 10.5 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 37.0 ppb (35) 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 6, 2021, 4 a.m. 10.9 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 6, 2021, 3 a.m. 11.9 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A N/A 41.0 ppb (38) 0.48 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 6, 2021, 2 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) 0.3 ppb (4) N/A 11.0 μg/m3 (46) 51.0
 
Sept. 6, 2021, 1 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 81.0
 
Sept. 6, 2021, midnight 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 75.0 ppb (104) 0.27 ppb (4) N/A 13.0 μg/m3 (53) 104.0
 
Sept. 5, 2021, 11 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 79.0 ppb (106) 0.28 ppb (4) N/A 13.0 μg/m3 (53) 106.0
 
Sept. 5, 2021, 10 p.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 75.0 ppb (104) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 104.0
 
Sept. 5, 2021, 9 p.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 87.0 ppb (110) 0.3 ppb (4) N/A 16.0 μg/m3 (60) 110.0
 
Sept. 5, 2021, 8 p.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 93.0 ppb (113) 0.35 ppb (4) N/A 19.0 μg/m3 (66) 113.0
 
Sept. 5, 2021, 7 p.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (107) 0.35 ppb (4) N/A 22.0 μg/m3 (72) 107.0
 
Sept. 5, 2021, 6 p.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 70.0 ppb (100) 0.3 ppb (4) N/A 14.0 μg/m3 (55) 100.0
 
Sept. 5, 2021, 5 p.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 61.0 ppb (71) 0.29 ppb (4) N/A 13.0 μg/m3 (53) 71.0
 
Sept. 5, 2021, 4 p.m. 7.8 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 47.0 ppb (44) 0.32 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Sept. 5, 2021, 3 p.m. 9.7 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.29 ppb (4) N/A 27.0 μg/m3 (83) 83.0
 
Sept. 5, 2021, 2 p.m. 6.6 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.29 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Sept. 5, 2021, 1 p.m. 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.33 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Sept. 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Sept. 5, 2021, 10 a.m. 11.6 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.42 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
Sept. 5, 2021, 9 a.m. 10.7 ppb (11) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.4 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 5, 2021, 8 a.m. 7.6 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.33 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 5, 2021, 7 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (41) 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 5, 2021, 6 a.m. 7.3 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 47.0 ppb (44) 0.34 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Sept. 5, 2021, 5 a.m. 8.8 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) 0.39 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Sept. 5, 2021, 4 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (50) 0.34 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 5, 2021, 3 a.m. 7.8 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 56.0 ppb (55) 0.37 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 5, 2021, 2 a.m. 6.9 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 63.0 ppb (78) 0.35 ppb (4) N/A 16.0 μg/m3 (60) 78.0
 
Sept. 5, 2021, 1 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (103) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 103.0
 
Sept. 5, 2021, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 103.0
 
Sept. 4, 2021, 11 p.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 103.0
 
Sept. 4, 2021, 10 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) 0.22 ppb (3) N/A 13.0 μg/m3 (53) 103.0
 
Sept. 4, 2021, 9 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 72.0 ppb (102) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 102.0
 
Sept. 4, 2021, 8 p.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (105) 0.28 ppb (4) N/A 21.0 μg/m3 (70) 105.0
 
Sept. 4, 2021, 7 p.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (104) 0.28 ppb (4) N/A 17.0 μg/m3 (62) 104.0
 
Sept. 4, 2021, 6 p.m. 6.1 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 70.0 ppb (100) 0.26 ppb (4) N/A 18.0 μg/m3 (64) 100.0
 
Sept. 4, 2021, 5 p.m. 5.2 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (61) 0.25 ppb (3) N/A 13.0 μg/m3 (53) 61.0
 
Sept. 4, 2021, 4 p.m. 7.2 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) 0.29 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 4, 2021, 3 p.m. 9.1 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 4, 2021, 2 p.m. 11.7 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.38 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 4, 2021, 1 p.m. 11.2 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Sept. 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Sept. 4, 2021, 10 a.m. 8.3 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.36 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 4, 2021, 9 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.37 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Sept. 4, 2021, 8 a.m. 7.8 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.34 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 4, 2021, 7 a.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) 0.37 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Sept. 4, 2021, 6 a.m. 4.5 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.3 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 4, 2021, 5 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 4, 2021, 4 a.m. 10.0 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 51.0 ppb (48) 0.43 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 4, 2021, 3 a.m. 12.9 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 51.0 ppb (48) 0.52 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 4, 2021, 2 a.m. 9.3 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 59.0 ppb (65) 0.43 ppb (5) N/A 16.0 μg/m3 (60) 65.0
 
Sept. 4, 2021, 1 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (102) 0.25 ppb (3) N/A 14.0 μg/m3 (55) 102.0
 
Sept. 4, 2021, midnight 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (103) 0.23 ppb (3) N/A 8.0 μg/m3 (34) 103.0
 
Sept. 3, 2021, 11 p.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (105) 0.23 ppb (3) N/A 8.0 μg/m3 (34) 105.0
 
Sept. 3, 2021, 10 p.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 78.0 ppb (105) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 105.0
 
Sept. 3, 2021, 9 p.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 78.0 ppb (105) 0.27 ppb (4) N/A 16.0 μg/m3 (60) 105.0
 
Sept. 3, 2021, 8 p.m. 10.9 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 73.0 ppb (103) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 103.0
 
Sept. 3, 2021, 7 p.m. 7.6 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 69.0 ppb (97) 0.31 ppb (4) N/A 19.0 μg/m3 (66) 97.0
 
Sept. 3, 2021, 6 p.m. 8.0 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 60.0 ppb (68) 0.31 ppb (4) N/A 27.0 μg/m3 (83) 83.0
 
Sept. 3, 2021, 5 p.m. 9.3 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 48.0 ppb (45) 0.32 ppb (4) N/A 21.0 μg/m3 (70) 70.0