ID: 1916

AQSQID: 060658005

Site Name: Mira Loma - Van Buren

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

Updated: April 21, 2021, 7:44 p.m.

Location: Rivside (Poinsetta Place), CA

Reporting: True, Located: True

Current AQI: 46.0

Rivside (Poinsetta Place) CA, US: 33.996387, -117.4925

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 21, 2021, 6 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.13 ppb (2) 30.0 μg/m3 (28) 10.8 μg/m3 (46) 46.0
 
April 21, 2021, 5 p.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 33.5 μg/m3 (32) 8.8 μg/m3 (37) 38.0
 
April 21, 2021, 4 p.m. 7.9 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 44.8 μg/m3 (42) 17.8 μg/m3 (63) 63.0
 
April 21, 2021, 3 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.16 ppb (3) 43.0 μg/m3 (40) 18.6 μg/m3 (65) 65.0
 
April 21, 2021, 2 p.m. 10.1 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.16 ppb (3) 41.1 μg/m3 (39) 14.4 μg/m3 (56) 56.0
 
April 21, 2021, 1 p.m. 10.7 ppb (11) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.17 ppb (3) 33.0 μg/m3 (31) 16.6 μg/m3 (61) 61.0
 
April 21, 2021, noon 11.7 ppb (12) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) 0.16 ppb (3) 27.8 μg/m3 (26) 13.7 μg/m3 (55) 55.0
 
April 21, 2021, 11 a.m. 7.4 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.14 ppb (2) 25.6 μg/m3 (24) 12.2 μg/m3 (52) 52.0
 
April 21, 2021, 10 a.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.13 ppb (2) 33.3 μg/m3 (31) 10.8 μg/m3 (46) 46.0
 
April 21, 2021, 9 a.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.12 ppb (2) 35.2 μg/m3 (33) 19.6 μg/m3 (67) 67.0
 
April 21, 2021, 8 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.1 ppb (2) 30.5 μg/m3 (29) 20.1 μg/m3 (68) 68.0
 
April 21, 2021, 7 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 26.1 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
April 21, 2021, 6 a.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 23.3 μg/m3 (22) 14.1 μg/m3 (56) 56.0
 
April 21, 2021, 5 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.11 ppb (2) 31.8 μg/m3 (30) 14.1 μg/m3 (56) 56.0
 
April 21, 2021, 4 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.13 ppb (2) 27.1 μg/m3 (26) 19.4 μg/m3 (67) 67.0
 
April 21, 2021, 3 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.14 ppb (2) 39.1 μg/m3 (37) 14.9 μg/m3 (57) 57.0
 
April 21, 2021, 2 a.m. 4.6 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.16 ppb (3) 44.3 μg/m3 (42) 17.4 μg/m3 (63) 63.0
 
April 21, 2021, 1 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.16 ppb (3) 53.7 μg/m3 (50) 14.1 μg/m3 (56) 56.0
 
April 21, 2021, midnight 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) 0.14 ppb (2) 62.7 μg/m3 (55) 18.8 μg/m3 (66) 66.0
 
April 20, 2021, 11 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) 0.15 ppb (2) 64.1 μg/m3 (56) 15.4 μg/m3 (58) 58.0
 
April 20, 2021, 10 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) 0.16 ppb (3) 74.7 μg/m3 (61) 20.8 μg/m3 (70) 78.0
 
April 20, 2021, 9 p.m. 4.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (97) 0.19 ppb (3) 78.6 μg/m3 (63) 20.5 μg/m3 (69) 97.0
 
April 20, 2021, 8 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) 0.18 ppb (3) 58.4 μg/m3 (53) 15.9 μg/m3 (59) 91.0
 
April 20, 2021, 7 p.m. 9.5 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 62.0 ppb (74) 0.22 ppb (3) 78.1 μg/m3 (63) 19.1 μg/m3 (66) 74.0
 
April 20, 2021, 6 p.m. 11.7 ppb (12) 2.8 ppb (3) N/A 9.0 ppb (9) N/A N/A 52.0 ppb (49) 0.25 ppb (3) 66.5 μg/m3 (57) 21.3 μg/m3 (71) 71.0
 
April 20, 2021, 5 p.m. 20.2 ppb (20) 6.5 ppb (7) N/A 14.0 ppb (14) N/A N/A 36.0 ppb (34) 0.3 ppb (4) 75.9 μg/m3 (62) 24.0 μg/m3 (77) 77.0
 
April 20, 2021, 4 p.m. 26.1 ppb (25) 9.9 ppb (10) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) 0.34 ppb (4) 66.3 μg/m3 (57) 19.3 μg/m3 (67) 67.0
 
April 20, 2021, 3 p.m. 33.4 ppb (32) 14.8 ppb (14) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) 0.36 ppb (5) 66.5 μg/m3 (57) 24.4 μg/m3 (77) 77.0
 
April 20, 2021, 2 p.m. 27.6 ppb (27) 10.2 ppb (10) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.34 ppb (4) 79.6 μg/m3 (64) 22.5 μg/m3 (73) 73.0
 
April 20, 2021, 1 p.m. 34.2 ppb (33) 15.1 ppb (15) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.43 ppb (5) 85.7 μg/m3 (67) 20.3 μg/m3 (69) 69.0
 
April 20, 2021, noon 30.2 ppb (29) 9.3 ppb (9) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) 0.43 ppb (5) 62.0 μg/m3 (55) 27.1 μg/m3 (83) 83.0
 
April 20, 2021, 11 a.m. 26.0 ppb (25) 4.4 ppb (5) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.38 ppb (5) 56.2 μg/m3 (52) 20.5 μg/m3 (69) 69.0
 
April 20, 2021, 10 a.m. 24.3 ppb (23) 2.8 ppb (3) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.35 ppb (4) 56.7 μg/m3 (52) 14.9 μg/m3 (57) 57.0
 
April 20, 2021, 9 a.m. 15.2 ppb (15) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.36 ppb (5) 50.8 μg/m3 (48) 16.3 μg/m3 (60) 60.0
 
April 20, 2021, 8 a.m. 13.5 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.29 ppb (4) 57.1 μg/m3 (53) 20.6 μg/m3 (69) 69.0
 
April 20, 2021, 7 a.m. 13.8 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) 0.29 ppb (4) 76.3 μg/m3 (62) 16.3 μg/m3 (60) 62.0
 
April 20, 2021, 6 a.m. 12.1 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) 0.26 ppb (4) 45.0 μg/m3 (42) 13.4 μg/m3 (54) 54.0
 
April 20, 2021, 5 a.m. 13.7 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 34.0 ppb (32) 0.29 ppb (4) 48.4 μg/m3 (45) 14.6 μg/m3 (57) 57.0
 
April 20, 2021, 4 a.m. 10.6 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 41.0 ppb (38) 0.26 ppb (4) 40.1 μg/m3 (38) 13.4 μg/m3 (54) 54.0
 
April 20, 2021, 3 a.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 47.0 ppb (44) 0.22 ppb (3) 42.8 μg/m3 (40) 11.3 μg/m3 (48) 48.0
 
April 20, 2021, 2 a.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 53.0 ppb (50) 0.22 ppb (3) 52.5 μg/m3 (49) 11.9 μg/m3 (50) 50.0
 
April 20, 2021, 1 a.m. 7.6 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 58.0 ppb (61) 0.21 ppb (3) 60.3 μg/m3 (54) 11.4 μg/m3 (48) 61.0
 
April 20, 2021, midnight 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (84) 0.19 ppb (3) 54.2 μg/m3 (51) 7.9 μg/m3 (33) 84.0
 
April 19, 2021, 11 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) 0.16 ppb (3) 43.8 μg/m3 (41) 7.4 μg/m3 (31) 91.0
 
April 19, 2021, 10 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) 0.17 ppb (3) 49.4 μg/m3 (46) 9.6 μg/m3 (40) 97.0
 
April 19, 2021, 9 p.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) 0.16 ppb (3) 43.3 μg/m3 (41) 11.0 μg/m3 (46) 100.0
 
April 19, 2021, 8 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (94) 0.18 ppb (3) 34.7 μg/m3 (33) 9.3 μg/m3 (39) 94.0
 
April 19, 2021, 7 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) 0.16 ppb (3) 33.7 μg/m3 (32) 8.8 μg/m3 (37) 81.0
 
April 19, 2021, 6 p.m. 10.0 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 58.0 ppb (61) 0.18 ppb (3) 54.7 μg/m3 (51) 10.8 μg/m3 (46) 61.0
 
April 19, 2021, 5 p.m. 20.5 ppb (20) 5.5 ppb (6) N/A 15.0 ppb (15) N/A N/A 43.0 ppb (40) 0.25 ppb (3) 47.9 μg/m3 (45) 16.1 μg/m3 (60) 60.0
 
April 19, 2021, 4 p.m. 39.7 ppb (38) 14.6 ppb (14) N/A 24.0 ppb (23) N/A N/A 27.0 ppb (25) 0.38 ppb (5) 49.4 μg/m3 (46) 8.6 μg/m3 (36) 46.0
 
April 19, 2021, 3 p.m. 95.5 ppb (96) 58.5 ppb (56) N/A 37.0 ppb (35) N/A N/A 8.0 ppb (8) 0.71 ppb (8) 92.8 μg/m3 (70) 20.5 μg/m3 (69) 96.0
 
April 19, 2021, 2 p.m. 83.0 ppb (82) 54.9 ppb (52) N/A 28.0 ppb (27) N/A N/A 4.0 ppb (4) 0.82 ppb (10) 105.8 μg/m3 (77) 20.3 μg/m3 (69) 82.0
 
April 19, 2021, 1 p.m. 78.1 ppb (77) 53.3 ppb (51) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 0.92 ppb (11) 114.8 μg/m3 (81) 17.9 μg/m3 (64) 81.0
 
April 19, 2021, noon 60.7 ppb (59) 36.8 ppb (35) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 55.9 μg/m3 (52) 17.1 μg/m3 (62) 62.0
 
April 19, 2021, 11 a.m. 39.1 ppb (37) 12.5 ppb (12) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 0.49 ppb (6) 55.7 μg/m3 (52) 16.6 μg/m3 (61) 61.0
 
April 19, 2021, 10 a.m. 37.5 ppb (36) 10.5 ppb (10) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) 0.46 ppb (6) 62.7 μg/m3 (55) 16.6 μg/m3 (61) 61.0
 
April 19, 2021, 9 a.m. 29.8 ppb (29) 5.1 ppb (5) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 0.5 ppb (6) 58.6 μg/m3 (53) 16.3 μg/m3 (60) 60.0
 
April 19, 2021, 8 a.m. 19.2 ppb (19) 2.0 ppb (2) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.42 ppb (5) 62.0 μg/m3 (55) 14.6 μg/m3 (57) 57.0
 
April 19, 2021, 7 a.m. 22.5 ppb (22) 1.2 ppb (2) N/A 21.0 ppb (20) N/A N/A 9.0 ppb (9) 0.47 ppb (6) 59.8 μg/m3 (54) 20.3 μg/m3 (69) 69.0
 
April 19, 2021, 6 a.m. 29.7 ppb (29) 3.5 ppb (4) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.6 ppb (7) 72.7 μg/m3 (60) 12.9 μg/m3 (53) 60.0
 
April 19, 2021, 5 a.m. 29.6 ppb (28) 3.2 ppb (4) N/A 27.0 ppb (26) N/A N/A 10.0 ppb (10) 0.44 ppb (5) 69.2 μg/m3 (59) 16.1 μg/m3 (60) 60.0
 
April 19, 2021, 4 a.m. 14.2 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) 0.33 ppb (4) 51.0 μg/m3 (48) 10.1 μg/m3 (43) 48.0
 
April 19, 2021, 3 a.m. 6.9 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.25 ppb (3) 50.0 μg/m3 (47) 8.1 μg/m3 (34) 47.0
 
April 19, 2021, 2 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) 0.2 ppb (3) 53.9 μg/m3 (50) 3.7 μg/m3 (16) 50.0
 
April 19, 2021, 1 a.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) 0.13 ppb (2) 30.3 μg/m3 (29) 1.5 μg/m3 (7) 58.0
 
April 19, 2021, midnight 0.5 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 59.0 ppb (65) 0.12 ppb (2) 22.1 μg/m3 (21) 4.5 μg/m3 (19) 65.0
 
April 18, 2021, 11 p.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 59.0 ppb (65) 0.13 ppb (2) 26.4 μg/m3 (25) 4.2 μg/m3 (18) 65.0
 
April 18, 2021, 10 p.m. 0.5 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 58.0 ppb (61) 0.12 ppb (2) 39.4 μg/m3 (37) 5.2 μg/m3 (22) 61.0
 
April 18, 2021, 9 p.m. 0.9 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) 0.12 ppb (2) 57.1 μg/m3 (53) 8.8 μg/m3 (37) 55.0
 
April 18, 2021, 8 p.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) 0.12 ppb (2) 106.5 μg/m3 (77) 6.9 μg/m3 (29) 77.0
 
April 18, 2021, 7 p.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) 0.12 ppb (2) 54.2 μg/m3 (51) 5.2 μg/m3 (22) 51.0
 
April 18, 2021, 6 p.m. 0.7 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) 0.12 ppb (2) 64.8 μg/m3 (56) 5.4 μg/m3 (23) 56.0
 
April 18, 2021, 5 p.m. 0.7 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) 0.12 ppb (2) 60.0 μg/m3 (54) 4.7 μg/m3 (20) 54.0
 
April 18, 2021, 4 p.m. 1.3 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.12 ppb (2) 65.8 μg/m3 (57) 4.2 μg/m3 (18) 57.0
 
April 18, 2021, 3 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.11 ppb (2) 73.6 μg/m3 (61) 7.4 μg/m3 (31) 61.0
 
April 18, 2021, 2 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.12 ppb (2) 43.1 μg/m3 (40) 9.3 μg/m3 (39) 40.0
 
April 18, 2021, 1 p.m. 28.5 ppb (27) 5.1 ppb (5) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.47 ppb (6) 66.1 μg/m3 (57) 23.0 μg/m3 (74) 74.0
 
April 18, 2021, noon 29.7 ppb (29) 8.3 ppb (8) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) 0.55 ppb (7) 51.5 μg/m3 (48) 27.1 μg/m3 (83) 83.0
 
April 18, 2021, 11 a.m. 33.0 ppb (32) 11.0 ppb (11) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.53 ppb (6) 59.6 μg/m3 (54) 22.8 μg/m3 (74) 74.0
 
April 18, 2021, 10 a.m. 29.7 ppb (29) 8.6 ppb (9) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.52 ppb (6) 65.6 μg/m3 (57) 28.3 μg/m3 (86) 86.0
 
April 18, 2021, 9 a.m. 26.1 ppb (25) 2.6 ppb (3) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.54 ppb (6) 57.1 μg/m3 (53) 26.3 μg/m3 (81) 81.0
 
April 18, 2021, 8 a.m. 28.9 ppb (28) 4.1 ppb (4) N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 0.61 ppb (7) 68.1 μg/m3 (58) 30.5 μg/m3 (90) 90.0
 
April 18, 2021, 7 a.m. 26.2 ppb (25) 1.9 ppb (2) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) 0.56 ppb (7) 67.3 μg/m3 (58) 15.9 μg/m3 (59) 59.0
 
April 18, 2021, 6 a.m. 23.6 ppb (23) 1.3 ppb (2) N/A 22.0 ppb (21) N/A N/A 12.0 ppb (12) 0.52 ppb (6) 71.7 μg/m3 (60) 26.6 μg/m3 (82) 82.0
 
April 18, 2021, 5 a.m. 16.4 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.44 ppb (5) 71.4 μg/m3 (60) 26.8 μg/m3 (82) 82.0
 
April 18, 2021, 4 a.m. 12.5 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A 38.0 ppb (36) 0.33 ppb (4) 58.6 μg/m3 (53) 22.8 μg/m3 (74) 74.0
 
April 18, 2021, 3 a.m. 10.2 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 47.0 ppb (44) 0.29 ppb (4) 66.3 μg/m3 (57) 22.3 μg/m3 (73) 73.0
 
April 18, 2021, 2 a.m. 7.1 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 57.0 ppb (58) 0.26 ppb (4) 71.4 μg/m3 (60) 22.0 μg/m3 (72) 72.0
 
April 18, 2021, 1 a.m. 6.0 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 64.0 ppb (81) 0.23 ppb (3) 66.8 μg/m3 (57) 21.8 μg/m3 (72) 81.0
 
April 18, 2021, midnight 5.7 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (94) 0.21 ppb (3) 66.3 μg/m3 (57) 18.9 μg/m3 (66) 94.0
 
April 17, 2021, 11 p.m. 5.9 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 70.0 ppb (100) 0.23 ppb (3) 78.8 μg/m3 (63) 19.1 μg/m3 (66) 100.0
 
April 17, 2021, 10 p.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (103) 0.22 ppb (3) 73.4 μg/m3 (61) 19.6 μg/m3 (67) 103.0
 
April 17, 2021, 9 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) 0.21 ppb (3) 66.1 μg/m3 (57) 18.1 μg/m3 (64) 100.0
 
April 17, 2021, 8 p.m. 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.2 ppb (3) 69.3 μg/m3 (59) 17.4 μg/m3 (63) 71.0
 
April 17, 2021, 7 p.m. 4.5 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) 0.2 ppb (3) 53.9 μg/m3 (50) 20.5 μg/m3 (69) 69.0
 
April 17, 2021, 6 p.m. 5.8 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.21 ppb (3) 60.0 μg/m3 (54) 23.0 μg/m3 (74) 74.0
 
April 17, 2021, 5 p.m. 5.5 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.2 ppb (3) 48.6 μg/m3 (45) 18.1 μg/m3 (64) 64.0
 
April 17, 2021, 4 p.m. 6.8 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.2 ppb (3) 38.4 μg/m3 (36) 21.5 μg/m3 (71) 71.0
 
April 17, 2021, 3 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.18 ppb (3) 34.8 μg/m3 (33) 14.2 μg/m3 (56) 56.0
 
April 17, 2021, 2 p.m. 9.2 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.21 ppb (3) 40.8 μg/m3 (38) 13.4 μg/m3 (54) 54.0
 
April 17, 2021, 1 p.m. 14.8 ppb (14) 1.5 ppb (2) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) 0.26 ppb (4) 56.9 μg/m3 (52) 13.9 μg/m3 (55) 55.0
 
April 17, 2021, noon 12.5 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.26 ppb (4) 35.8 μg/m3 (34) 14.6 μg/m3 (57) 57.0
 
April 17, 2021, 11 a.m. 8.9 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.24 ppb (3) 39.1 μg/m3 (37) 13.4 μg/m3 (54) 54.0
 
April 17, 2021, 10 a.m. 9.1 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.25 ppb (3) 42.1 μg/m3 (39) 11.5 μg/m3 (48) 48.0
 
April 17, 2021, 9 a.m. 9.6 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.25 ppb (3) 44.1 μg/m3 (41) 17.9 μg/m3 (64) 64.0
 
April 17, 2021, 8 a.m. 10.5 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.25 ppb (3) 52.0 μg/m3 (49) 20.3 μg/m3 (69) 69.0
 
April 17, 2021, 7 a.m. 10.2 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.25 ppb (3) 46.5 μg/m3 (44) 18.3 μg/m3 (65) 65.0
 
April 17, 2021, 6 a.m. 10.5 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.24 ppb (3) 52.5 μg/m3 (49) 23.7 μg/m3 (76) 76.0
 
April 17, 2021, 5 a.m. 10.2 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.23 ppb (3) 51.8 μg/m3 (48) 17.1 μg/m3 (62) 62.0
 
April 17, 2021, 4 a.m. 9.6 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.22 ppb (3) 54.7 μg/m3 (51) 15.6 μg/m3 (59) 59.0
 
April 17, 2021, 3 a.m. 10.0 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) 0.21 ppb (3) 48.2 μg/m3 (45) 16.4 μg/m3 (61) 61.0
 
April 17, 2021, 2 a.m. 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 47.0 ppb (44) 0.22 ppb (3) 66.5 μg/m3 (57) 15.6 μg/m3 (59) 59.0
 
April 17, 2021, 1 a.m. 7.0 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (51) 0.21 ppb (3) 63.9 μg/m3 (56) 18.4 μg/m3 (65) 65.0
 
April 17, 2021, midnight 7.1 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (61) 0.2 ppb (3) 64.1 μg/m3 (56) 18.9 μg/m3 (66) 66.0
 
April 16, 2021, 11 p.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (81) 0.18 ppb (3) 54.0 μg/m3 (50) 14.6 μg/m3 (57) 81.0
 
April 16, 2021, 10 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) 0.18 ppb (3) 69.7 μg/m3 (59) 15.1 μg/m3 (58) 87.0
 
April 16, 2021, 9 p.m. 5.6 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 72.0 ppb (102) 0.23 ppb (3) 73.4 μg/m3 (61) 19.8 μg/m3 (68) 102.0
 
April 16, 2021, 8 p.m. 5.8 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 67.0 ppb (91) 0.22 ppb (3) 57.6 μg/m3 (53) 20.8 μg/m3 (70) 91.0
 
April 16, 2021, 7 p.m. 5.8 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 61.0 ppb (71) 0.2 ppb (3) 56.9 μg/m3 (52) 16.1 μg/m3 (60) 71.0
 
April 16, 2021, 6 p.m. 9.2 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 55.0 ppb (51) 0.21 ppb (3) 64.6 μg/m3 (56) 24.4 μg/m3 (77) 77.0
 
April 16, 2021, 5 p.m. 14.1 ppb (14) 3.6 ppb (4) N/A 11.0 ppb (11) N/A N/A 44.0 ppb (41) 0.24 ppb (3) 62.5 μg/m3 (55) 26.3 μg/m3 (81) 81.0
 
April 16, 2021, 4 p.m. 20.7 ppb (20) 6.8 ppb (7) N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.29 ppb (4) 62.7 μg/m3 (55) 34.2 μg/m3 (98) 98.0
 
April 16, 2021, 3 p.m. 27.6 ppb (27) 10.3 ppb (10) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) 0.33 ppb (4) 66.1 μg/m3 (57) 28.0 μg/m3 (85) 85.0
 
April 16, 2021, 2 p.m. 58.8 ppb (57) 36.3 ppb (35) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.52 ppb (6) 70.2 μg/m3 (59) 20.8 μg/m3 (70) 70.0
 
April 16, 2021, 1 p.m. 51.0 ppb (49) 34.4 ppb (33) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.61 ppb (7) 77.6 μg/m3 (63) 22.3 μg/m3 (73) 73.0
 
April 16, 2021, noon 29.8 ppb (29) 12.1 ppb (12) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.48 ppb (6) 43.1 μg/m3 (40) 14.4 μg/m3 (56) 56.0
 
April 16, 2021, 11 a.m. 21.1 ppb (20) 5.1 ppb (5) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) 0.34 ppb (4) 44.3 μg/m3 (42) 14.4 μg/m3 (56) 56.0
 
April 16, 2021, 10 a.m. 15.7 ppb (15) 1.7 ppb (2) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.28 ppb (4) 44.8 μg/m3 (42) 13.4 μg/m3 (54) 54.0
 
April 16, 2021, 9 a.m. 12.2 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.29 ppb (4) 45.1 μg/m3 (42) 18.6 μg/m3 (65) 65.0
 
April 16, 2021, 8 a.m. 9.1 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.26 ppb (4) 45.3 μg/m3 (42) 10.6 μg/m3 (45) 45.0
 
April 16, 2021, 7 a.m. 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.25 ppb (3) 50.3 μg/m3 (47) 9.4 μg/m3 (40) 47.0
 
April 16, 2021, 6 a.m. 14.7 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.28 ppb (4) 57.4 μg/m3 (53) 17.9 μg/m3 (64) 64.0
 
April 16, 2021, 5 a.m. 7.9 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 45.0 μg/m3 (42) 14.4 μg/m3 (56) 56.0
 
April 16, 2021, 4 a.m. 8.0 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 46.2 μg/m3 (43) 16.6 μg/m3 (61) 61.0
 
April 16, 2021, 3 a.m. 8.2 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 41.0 ppb (38) 0.21 ppb (3) 50.5 μg/m3 (47) 14.6 μg/m3 (57) 57.0
 
April 16, 2021, 2 a.m. 7.7 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 45.0 ppb (42) 0.2 ppb (3) 57.1 μg/m3 (53) 14.6 μg/m3 (57) 57.0
 
April 16, 2021, 1 a.m. 7.2 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (47) 0.2 ppb (3) 73.6 μg/m3 (61) 16.3 μg/m3 (60) 61.0
 
April 16, 2021, midnight 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (55) 0.19 ppb (3) 74.6 μg/m3 (61) 16.8 μg/m3 (61) 61.0
 
April 15, 2021, 11 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (71) 0.19 ppb (3) 72.4 μg/m3 (60) 18.8 μg/m3 (66) 71.0
 
April 15, 2021, 10 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) 0.2 ppb (3) 75.8 μg/m3 (62) 12.9 μg/m3 (53) 87.0
 
April 15, 2021, 9 p.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (87) 0.2 ppb (3) 88.0 μg/m3 (68) 20.8 μg/m3 (70) 87.0
 
April 15, 2021, 8 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) 0.17 ppb (3) 48.7 μg/m3 (46) 17.4 μg/m3 (63) 74.0
 
April 15, 2021, 7 p.m. 3.7 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) 0.18 ppb (3) 47.4 μg/m3 (44) 17.1 μg/m3 (62) 62.0
 
April 15, 2021, 6 p.m. 4.8 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.16 ppb (3) 45.3 μg/m3 (42) 9.3 μg/m3 (39) 48.0
 
April 15, 2021, 5 p.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.16 ppb (3) N/A N/A 45.0
 
April 15, 2021, 4 p.m. 5.0 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.14 ppb (2) N/A N/A 41.0
 
April 15, 2021, 3 p.m. 14.4 ppb (14) 4.3 ppb (5) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 42.6 μg/m3 (40) 16.3 μg/m3 (60) 60.0
 
April 15, 2021, 2 p.m. 33.8 ppb (32) 13.7 ppb (13) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) 0.36 ppb (5) 60.5 μg/m3 (54) 19.1 μg/m3 (66) 66.0
 
April 15, 2021, 1 p.m. 42.6 ppb (41) 18.8 ppb (18) N/A 24.0 ppb (23) N/A N/A 3.0 ppb (3) 0.57 ppb (7) 47.2 μg/m3 (44) 8.1 μg/m3 (34) 44.0
 
April 15, 2021, noon 15.8 ppb (15) 1.6 ppb (2) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.27 ppb (4) 27.8 μg/m3 (26) 9.8 μg/m3 (41) 41.0
 
April 15, 2021, 11 a.m. 7.0 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.17 ppb (3) 32.0 μg/m3 (30) 10.8 μg/m3 (46) 46.0
 
April 15, 2021, 10 a.m. 6.4 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.15 ppb (2) 35.3 μg/m3 (33) 11.5 μg/m3 (48) 48.0
 
April 15, 2021, 9 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.15 ppb (2) 26.6 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
April 15, 2021, 8 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.13 ppb (2) 33.8 μg/m3 (32) 16.1 μg/m3 (60) 60.0
 
April 15, 2021, 7 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.13 ppb (2) 32.0 μg/m3 (30) 21.8 μg/m3 (72) 72.0
 
April 15, 2021, 6 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.12 ppb (2) 27.4 μg/m3 (26) 6.9 μg/m3 (29) 38.0
 
April 15, 2021, 5 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.13 ppb (2) 36.5 μg/m3 (34) 9.1 μg/m3 (38) 39.0
 
April 15, 2021, 4 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.13 ppb (2) 34.8 μg/m3 (33) 19.1 μg/m3 (66) 66.0
 
April 15, 2021, 3 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.12 ppb (2) 30.0 μg/m3 (28) 11.5 μg/m3 (48) 48.0
 
April 15, 2021, 2 a.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) 0.13 ppb (2) 42.6 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
April 15, 2021, 1 a.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.12 ppb (2) 49.6 μg/m3 (46) 9.8 μg/m3 (41) 46.0
 
April 15, 2021, midnight 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) 0.13 ppb (2) 41.3 μg/m3 (39) 10.3 μg/m3 (43) 49.0
 
April 14, 2021, 11 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) 0.13 ppb (2) 45.0 μg/m3 (42) 12.7 μg/m3 (53) 55.0
 
April 14, 2021, 10 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) 0.13 ppb (2) 34.3 μg/m3 (32) 12.4 μg/m3 (52) 68.0
 
April 14, 2021, 9 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) 0.14 ppb (2) 37.6 μg/m3 (35) 11.3 μg/m3 (48) 68.0
 
April 14, 2021, 8 p.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) 0.13 ppb (2) 30.5 μg/m3 (29) 12.7 μg/m3 (53) 61.0
 
April 14, 2021, 7 p.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) 0.1 ppb (2) 30.3 μg/m3 (29) 13.7 μg/m3 (55) 55.0