ID: 150

AQSQID: 060371201

Site Name: Reseda

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

Updated: May 26, 2022, 8:19 a.m.

Location: Reseda (Reseda), CA

Reporting: True, Located: True

Current AQI: 48.0

Reseda (Reseda) CA, US: 34.1992, -118.5331

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2022, 6 a.m. 3.8 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.24 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 26, 2022, 5 a.m. 5.3 ppb (5) -0.6 ppb (0) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.24 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
May 26, 2022, 4 a.m. 4.8 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.23 ppb (3) N/A 18.6 μg/m3 (65) 65.0
 
May 26, 2022, 3 a.m. 4.1 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.24 ppb (3) N/A 19.1 μg/m3 (66) 66.0
 
May 26, 2022, 2 a.m. 4.1 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) 0.24 ppb (3) N/A 14.9 μg/m3 (57) 57.0
 
May 26, 2022, 1 a.m. 5.4 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 70.0 ppb (100) 0.27 ppb (4) N/A 18.3 μg/m3 (65) 100.0
 
May 26, 2022, midnight 4.8 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (107) 0.28 ppb (4) N/A 17.9 μg/m3 (64) 107.0
 
May 25, 2022, 11 p.m. 5.1 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 85.0 ppb (109) 0.29 ppb (4) N/A 21.8 μg/m3 (72) 109.0
 
May 25, 2022, 10 p.m. 4.6 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 85.0 ppb (109) 0.29 ppb (4) N/A 20.3 μg/m3 (69) 109.0
 
May 25, 2022, 10 p.m. 4.6 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 85.0 ppb (109) 0.29 ppb (4) N/A 20.3 μg/m3 (69) 109.0
 
May 25, 2022, 9 p.m. 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 81.0 ppb (107) 0.3 ppb (4) N/A 23.6 μg/m3 (76) 107.0
 
May 25, 2022, 8 p.m. 5.2 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 83.0 ppb (108) 0.3 ppb (4) N/A 26.3 μg/m3 (81) 108.0
 
May 25, 2022, 8 p.m. 5.2 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 83.0 ppb (108) 0.3 ppb (4) N/A 26.3 μg/m3 (81) 108.0
 
May 25, 2022, 7 p.m. 5.6 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 74.0 ppb (103) 0.31 ppb (4) N/A 25.6 μg/m3 (80) 103.0
 
May 25, 2022, 7 p.m. 5.6 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 74.0 ppb (103) 0.31 ppb (4) N/A 25.6 μg/m3 (80) 103.0
 
May 25, 2022, 6 p.m. 7.5 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 67.0 ppb (91) 0.36 ppb (5) N/A N/A 91.0
 
May 25, 2022, 6 p.m. 7.5 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 67.0 ppb (91) 0.36 ppb (5) N/A 7.9 μg/m3 (33) 91.0
 
May 25, 2022, 5 p.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 61.0 ppb (71) 0.38 ppb (5) N/A 7.9 μg/m3 (33) 71.0
 
May 25, 2022, 5 p.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 61.0 ppb (71) 0.38 ppb (5) N/A 7.9 μg/m3 (33) 71.0
 
May 25, 2022, 4 p.m. 9.8 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 46.0 ppb (43) 0.36 ppb (5) N/A 7.9 μg/m3 (33) 43.0
 
May 25, 2022, 3 p.m. 12.8 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) 0.41 ppb (5) N/A 21.5 μg/m3 (71) 71.0
 
May 25, 2022, 1 p.m. 17.8 ppb (17) 4.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.39 ppb (5) N/A 20.9 μg/m3 (70) 70.0
 
May 25, 2022, 9 a.m. 4.1 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.25 ppb (3) N/A 14.7 μg/m3 (57) 57.0
 
May 25, 2022, 5 a.m. 4.7 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) 0.24 ppb (3) N/A 18.4 μg/m3 (65) 65.0
 
May 25, 2022, 4 a.m. 5.4 ppb (6) -0.6 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (48) 0.24 ppb (3) N/A 14.5 μg/m3 (57) 57.0
 
May 25, 2022, 1 a.m. 5.1 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 64.0 ppb (81) 0.27 ppb (4) N/A 12.7 μg/m3 (53) 81.0
 
May 25, 2022, midnight 4.4 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (78) 0.27 ppb (4) N/A 17.4 μg/m3 (63) 78.0
 
May 24, 2022, 9 p.m. 5.2 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 86.0 ppb (109) 0.31 ppb (4) N/A 34.4 μg/m3 (98) 109.0
 
May 24, 2022, 8 p.m. 6.5 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A 83.0 ppb (108) 0.34 ppb (4) N/A 8.5 μg/m3 (36) 108.0
 
May 24, 2022, 7 p.m. 8.8 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 74.0 ppb (103) 0.33 ppb (4) N/A 21.4 μg/m3 (71) 103.0
 
May 24, 2022, 6 p.m. 9.1 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 60.0 ppb (68) 0.35 ppb (4) N/A 23.9 μg/m3 (76) 76.0
 
May 24, 2022, 5 p.m. 13.9 ppb (14) 2.4 ppb (3) N/A 12.0 ppb (12) N/A N/A 44.0 ppb (41) 0.39 ppb (5) N/A 26.1 μg/m3 (81) 81.0
 
May 24, 2022, 4 p.m. 13.3 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A 36.0 ppb (34) 0.36 ppb (5) N/A 24.9 μg/m3 (78) 78.0
 
May 24, 2022, 3 p.m. 14.9 ppb (15) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.34 ppb (4) N/A 26.9 μg/m3 (83) 83.0
 
May 24, 2022, 2 p.m. 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.31 ppb (4) N/A 20.3 μg/m3 (69) 69.0
 
May 24, 2022, 1 p.m. 7.4 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.32 ppb (4) N/A 25.4 μg/m3 (79) 79.0
 
May 24, 2022, noon 5.6 ppb (6) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.29 ppb (4) N/A 25.6 μg/m3 (80) 80.0
 
May 24, 2022, 10 a.m. 3.8 ppb (4) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.27 ppb (4) N/A 27.1 μg/m3 (83) 83.0
 
May 24, 2022, 9 a.m. 3.2 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 18.9 μg/m3 (66) 66.0
 
May 24, 2022, 8 a.m. 3.4 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 16.6 μg/m3 (61) 61.0
 
May 24, 2022, 6 a.m. 3.3 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.23 ppb (3) N/A 16.4 μg/m3 (61) 61.0
 
May 24, 2022, 5 a.m. 4.0 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.24 ppb (3) N/A 17.1 μg/m3 (62) 62.0
 
May 24, 2022, 5 a.m. 4.0 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.24 ppb (3) N/A 17.1 μg/m3 (62) 62.0
 
May 24, 2022, 4 a.m. 4.3 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.24 ppb (3) N/A 18.1 μg/m3 (64) 64.0
 
May 24, 2022, 4 a.m. 4.3 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.24 ppb (3) N/A 18.1 μg/m3 (64) 64.0
 
May 24, 2022, 3 a.m. 4.6 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.24 ppb (3) N/A 12.6 μg/m3 (53) 53.0
 
May 24, 2022, 3 a.m. 4.6 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.24 ppb (3) N/A 12.6 μg/m3 (53) 53.0
 
May 24, 2022, 2 a.m. 5.1 ppb (5) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (49) 0.26 ppb (4) N/A 22.4 μg/m3 (73) 73.0
 
May 24, 2022, 2 a.m. 5.1 ppb (5) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (49) 0.26 ppb (4) N/A 22.4 μg/m3 (73) 73.0
 
May 24, 2022, 1 a.m. 5.1 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (71) 0.26 ppb (4) N/A 18.1 μg/m3 (64) 71.0
 
May 24, 2022, 1 a.m. 5.1 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (71) 0.26 ppb (4) N/A 18.1 μg/m3 (64) 71.0
 
May 24, 2022, midnight 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 66.0 ppb (87) 0.27 ppb (4) N/A 18.8 μg/m3 (66) 87.0
 
May 24, 2022, midnight 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 66.0 ppb (87) 0.27 ppb (4) N/A 18.8 μg/m3 (66) 87.0
 
May 23, 2022, 11 p.m. 5.5 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (94) 0.29 ppb (4) N/A 21.3 μg/m3 (71) 94.0
 
May 23, 2022, 11 p.m. 5.5 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (94) 0.29 ppb (4) N/A 21.3 μg/m3 (71) 94.0
 
May 23, 2022, 8 p.m. 6.3 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (50) 0.28 ppb (4) N/A 20.3 μg/m3 (69) 69.0
 
May 23, 2022, 7 p.m. 8.8 ppb (9) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A 51.0 ppb (48) 0.28 ppb (4) N/A 24.6 μg/m3 (78) 78.0
 
May 23, 2022, 6 p.m. 8.4 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 45.0 ppb (42) 0.27 ppb (4) N/A 23.6 μg/m3 (76) 76.0
 
May 23, 2022, 3 p.m. 9.3 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.3 ppb (4) N/A 20.5 μg/m3 (69) 69.0
 
May 23, 2022, 2 p.m. 15.9 ppb (15) 3.2 ppb (4) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.37 ppb (5) N/A 17.4 μg/m3 (63) 63.0
 
May 23, 2022, 11 a.m. 10.9 ppb (11) -0.4 ppb (0) N/A 11.0 ppb (11) N/A N/A 14.0 ppb (13) 0.33 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
May 23, 2022, 10 a.m. 6.8 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.28 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 23, 2022, 10 a.m. 6.8 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.28 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 23, 2022, 9 a.m. 6.5 ppb (7) -0.6 ppb (0) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) 0.26 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
May 23, 2022, 3 a.m. 3.8 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.22 ppb (3) N/A 13.7 μg/m3 (55) 55.0
 
May 23, 2022, 2 a.m. 3.7 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.24 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 23, 2022, 1 a.m. 2.3 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 23, 2022, midnight 1.6 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.19 ppb (3) N/A 12.2 μg/m3 (52) 52.0
 
May 22, 2022, 11 p.m. 1.6 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 13.5 μg/m3 (54) 54.0
 
May 22, 2022, 9 p.m. 2.1 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.22 ppb (3) N/A 15.7 μg/m3 (59) 59.0
 
May 22, 2022, 8 p.m. 2.0 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.22 ppb (3) N/A 16.1 μg/m3 (60) 60.0
 
May 22, 2022, 7 p.m. 2.2 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.23 ppb (3) N/A 20.6 μg/m3 (69) 69.0
 
May 22, 2022, 6 p.m. 1.6 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.22 ppb (3) N/A 14.5 μg/m3 (57) 57.0
 
May 22, 2022, 5 p.m. 1.9 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 44.0
 
May 22, 2022, 4 p.m. 3.0 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.22 ppb (3) N/A 6.9 μg/m3 (29) 38.0
 
May 22, 2022, 3 p.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.26 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
May 22, 2022, 2 p.m. 7.6 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.27 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
May 22, 2022, 1 p.m. 10.3 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.28 ppb (4) N/A 5.6 μg/m3 (24) 24.0
 
May 22, 2022, 1 p.m. 10.3 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.28 ppb (4) N/A 5.6 μg/m3 (24) 24.0
 
May 22, 2022, noon 8.3 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.27 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 22, 2022, 11 a.m. 5.1 ppb (5) -0.8 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.23 ppb (3) N/A 7.7 μg/m3 (33) 33.0
 
May 22, 2022, 10 a.m. 2.8 ppb (3) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 22, 2022, 9 a.m. 4.3 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.23 ppb (3) N/A 12.5 μg/m3 (52) 52.0
 
May 22, 2022, 8 a.m. 3.5 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.22 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 22, 2022, 7 a.m. 3.4 ppb (4) -0.9 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.22 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 22, 2022, 5 a.m. 1.9 ppb (2) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.19 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
May 22, 2022, 3 a.m. 1.5 ppb (2) -0.8 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.18 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 22, 2022, 2 a.m. 1.3 ppb (2) -0.7 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.18 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
May 22, 2022, 1 a.m. 1.3 ppb (2) -0.7 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.19 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
May 22, 2022, midnight 2.3 ppb (3) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 50.0
 
May 21, 2022, 11 p.m. 1.6 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 49.0
 
May 21, 2022, 10 p.m. 1.2 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) 0.19 ppb (3) N/A 9.5 μg/m3 (40) 48.0
 
May 21, 2022, 9 p.m. 0.8 ppb (1) -0.7 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.18 ppb (3) N/A 8.3 μg/m3 (35) 47.0
 
May 21, 2022, 8 p.m. 1.1 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.18 ppb (3) N/A 9.0 μg/m3 (38) 44.0
 
May 21, 2022, 7 p.m. 1.4 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.19 ppb (3) N/A 10.0 μg/m3 (42) 45.0
 
May 21, 2022, 6 p.m. 1.9 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.19 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
May 21, 2022, 5 p.m. 3.6 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.22 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
May 21, 2022, 4 p.m. 3.0 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
May 21, 2022, 3 p.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
May 21, 2022, 2 p.m. 4.9 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.21 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 21, 2022, 1 p.m. 11.9 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.22 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
May 21, 2022, 1 p.m. 11.9 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.22 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
May 21, 2022, noon 3.4 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.19 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
May 21, 2022, 10 a.m. 4.6 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
May 21, 2022, 9 a.m. 3.5 ppb (4) -0.8 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.21 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
May 21, 2022, 8 a.m. 3.2 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.21 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
May 21, 2022, 4 a.m. 4.6 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.21 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
May 21, 2022, 3 a.m. 4.5 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.21 ppb (3) N/A 6.1 μg/m3 (26) 32.0
 
May 21, 2022, 2 a.m. 4.8 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 5.4 μg/m3 (23) 33.0
 
May 21, 2022, 1 a.m. 4.6 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, midnight 3.6 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.19 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 20, 2022, 11 p.m. 4.4 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 7.9 μg/m3 (33) 41.0
 
May 20, 2022, 10 p.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.19 ppb (3) N/A 7.6 μg/m3 (32) 47.0
 
May 20, 2022, 9 p.m. 3.1 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.2 ppb (3) N/A 8.6 μg/m3 (36) 50.0
 
May 20, 2022, 7 p.m. 6.0 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (48) 0.23 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 20, 2022, 6 p.m. 6.6 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) 0.25 ppb (3) N/A 8.1 μg/m3 (34) 45.0
 
May 20, 2022, 5 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.25 ppb (3) N/A 7.4 μg/m3 (31) 42.0
 
May 20, 2022, 4 p.m. 5.5 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.23 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
May 20, 2022, 3 p.m. 4.2 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 5.7 μg/m3 (24) 43.0
 
May 20, 2022, 2 p.m. 5.9 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) 0.24 ppb (3) N/A 4.7 μg/m3 (20) 40.0
 
May 20, 2022, 1 p.m. 4.3 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.22 ppb (3) N/A 8.4 μg/m3 (36) 41.0
 
May 20, 2022, 11 a.m. 1.3 ppb (2) -0.7 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.17 ppb (3) N/A 14.7 μg/m3 (57) 57.0
 
May 20, 2022, 10 a.m. 1.6 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.18 ppb (3) N/A 14.2 μg/m3 (56) 56.0
 
May 20, 2022, 9 a.m. 2.6 ppb (3) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 12.3 μg/m3 (52) 52.0
 
May 20, 2022, 8 a.m. 3.1 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
May 20, 2022, 7 a.m. 4.6 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.23 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 20, 2022, 6 a.m. 4.9 ppb (5) -0.6 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.24 ppb (3) N/A 22.7 μg/m3 (74) 74.0
 
May 20, 2022, 5 a.m. 4.5 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.23 ppb (3) N/A 19.1 μg/m3 (66) 66.0
 
May 20, 2022, 4 a.m. 3.0 ppb (3) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.2 ppb (3) N/A 20.1 μg/m3 (68) 68.0
 
May 20, 2022, 3 a.m. 3.8 ppb (4) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.22 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
May 20, 2022, 2 a.m. 4.3 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) 0.23 ppb (3) N/A 13.9 μg/m3 (55) 55.0
 
May 20, 2022, 1 a.m. 5.7 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.25 ppb (3) N/A 18.8 μg/m3 (66) 66.0
 
May 20, 2022, 1 a.m. 5.7 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) 0.25 ppb (3) N/A 18.8 μg/m3 (66) 66.0
 
May 20, 2022, midnight 5.6 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (78) 0.27 ppb (4) N/A 20.4 μg/m3 (69) 78.0
 
May 20, 2022, midnight 5.6 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (78) 0.27 ppb (4) N/A 20.4 μg/m3 (69) 78.0
 
May 19, 2022, 11 p.m. 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (81) 0.28 ppb (4) N/A 21.3 μg/m3 (71) 81.0
 
May 19, 2022, 10 p.m. 5.2 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (84) 0.3 ppb (4) N/A 17.0 μg/m3 (62) 84.0
 
May 19, 2022, 9 p.m. 5.9 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 59.0 ppb (65) 0.3 ppb (4) N/A 23.7 μg/m3 (76) 76.0
 
May 19, 2022, 8 p.m. 9.7 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 23.2 μg/m3 (75) 75.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (80) 80.0
 
May 19, 2022, 7 p.m. 9.7 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 25.7 μg/m3 (80) 80.0
 
May 19, 2022, 4 p.m. 9.7 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 29.4 μg/m3 (88) 88.0
 
May 19, 2022, 2 p.m. 8.7 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) 0.31 ppb (4) N/A 25.8 μg/m3 (80) 80.0
 
May 19, 2022, 6 a.m. 7.3 ppb (7) -0.6 ppb (0) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) 0.23 ppb (3) N/A 17.2 μg/m3 (62) 62.0
 
May 19, 2022, 5 a.m. 8.7 ppb (9) -0.6 ppb (0) N/A 9.0 ppb (9) N/A N/A 43.0 ppb (40) 0.26 ppb (4) N/A 17.4 μg/m3 (63) 63.0
 
May 19, 2022, 4 a.m. 7.7 ppb (8) -0.6 ppb (0) N/A 8.0 ppb (8) N/A N/A 48.0 ppb (45) 0.26 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
May 19, 2022, 3 a.m. 7.8 ppb (8) -0.6 ppb (0) N/A 8.0 ppb (8) N/A N/A 51.0 ppb (48) 0.26 ppb (4) N/A 17.9 μg/m3 (64) 64.0
 
May 19, 2022, 2 a.m. 6.5 ppb (7) -0.6 ppb (0) N/A 7.0 ppb (7) N/A N/A 61.0 ppb (71) 0.27 ppb (4) N/A 22.9 μg/m3 (74) 74.0
 
May 19, 2022, 1 a.m. 5.9 ppb (6) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (71) 0.26 ppb (4) N/A 17.9 μg/m3 (64) 71.0
 
May 18, 2022, 11 p.m. 5.7 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 71.0 ppb (101) 0.28 ppb (4) N/A 18.1 μg/m3 (64) 101.0
 
May 18, 2022, 10 p.m. 6.1 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 80.0 ppb (106) 0.31 ppb (4) N/A 24.9 μg/m3 (78) 106.0
 
May 18, 2022, 9 p.m. 5.9 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 72.0 ppb (102) 0.3 ppb (4) N/A 20.5 μg/m3 (69) 102.0
 
May 18, 2022, 8 p.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 64.0 ppb (81) 0.3 ppb (4) N/A 18.8 μg/m3 (66) 81.0
 
May 18, 2022, 7 p.m. 8.3 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 53.0 ppb (50) 0.31 ppb (4) N/A 22.4 μg/m3 (73) 73.0
 
May 18, 2022, 5 p.m. 10.5 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.3 ppb (4) N/A 28.8 μg/m3 (87) 87.0
 
May 18, 2022, 4 p.m. 16.7 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 29.8 μg/m3 (89) 89.0
 
May 18, 2022, 4 p.m. 16.7 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 29.8 μg/m3 (89) 89.0
 
May 18, 2022, 3 p.m. 13.3 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) 0.3 ppb (4) N/A 26.3 μg/m3 (81) 81.0
 
May 18, 2022, 3 p.m. 13.3 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) 0.3 ppb (4) N/A 26.3 μg/m3 (81) 81.0
 
May 18, 2022, 2 p.m. 23.7 ppb (23) 8.6 ppb (9) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.3 ppb (4) N/A 23.7 μg/m3 (76) 76.0
 
May 18, 2022, 2 p.m. 23.7 ppb (23) 8.6 ppb (9) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.3 ppb (4) N/A 23.7 μg/m3 (76) 76.0
 
May 18, 2022, 1 p.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 22.2 μg/m3 (73) 73.0
 
May 18, 2022, 1 p.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.28 ppb (4) N/A 22.2 μg/m3 (73) 73.0
 
May 18, 2022, noon 7.9 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.29 ppb (4) N/A 26.1 μg/m3 (81) 81.0
 
May 18, 2022, noon 7.9 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.29 ppb (4) N/A 26.1 μg/m3 (81) 81.0
 
May 18, 2022, 11 a.m. 9.2 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.28 ppb (4) N/A 12.5 μg/m3 (52) 52.0
 
May 18, 2022, 10 a.m. 7.6 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.26 ppb (4) N/A 10.7 μg/m3 (45) 45.0
 
May 18, 2022, 2 a.m. 4.7 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (50) 0.23 ppb (3) N/A 12.6 μg/m3 (53) 53.0