ID: 168

AQSQID: 060590007

Site Name: Anaheim

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

Updated: May 28, 2022, 12:41 p.m.

Location: Anaheim (Swest Anaheim), CA

Reporting: True, Located: True

Current AQI: 24.0

Anaheim (Swest Anaheim) CA, US: 33.830586, -117.938509

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2022, 11 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.2 ppb (3) 8.0 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
May 28, 2022, 10 a.m. 4.5 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 27.0
 
May 28, 2022, 10 a.m. 4.5 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 27.0
 
May 28, 2022, 9 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 8.0 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
May 28, 2022, 9 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 8.0 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
May 28, 2022, 8 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.21 ppb (3) 7.0 μg/m3 (7) 5.8 μg/m3 (25) 25.0
 
May 28, 2022, 8 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.21 ppb (3) 7.0 μg/m3 (7) 5.8 μg/m3 (25) 25.0
 
May 28, 2022, 7 a.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.22 ppb (3) 15.0 μg/m3 (14) 4.1 μg/m3 (18) 24.0
 
May 28, 2022, 7 a.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.22 ppb (3) 15.0 μg/m3 (14) 4.1 μg/m3 (18) 24.0
 
May 28, 2022, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.23 ppb (3) 6.0 μg/m3 (6) 4.6 μg/m3 (20) 23.0
 
May 28, 2022, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.23 ppb (3) 6.0 μg/m3 (6) 4.6 μg/m3 (20) 23.0
 
May 28, 2022, 5 a.m. 5.4 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.23 ppb (3) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 24.0
 
May 28, 2022, 5 a.m. 5.4 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.23 ppb (3) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 24.0
 
May 28, 2022, 3 a.m. 6.0 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.3 ppb (4) 6.0 μg/m3 (6) 3.1 μg/m3 (13) 25.0
 
May 27, 2022, 7 p.m. 6.3 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.23 ppb (3) 22.0 μg/m3 (21) 14.6 μg/m3 (57) 57.0
 
May 27, 2022, 7 p.m. 6.3 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.23 ppb (3) 22.0 μg/m3 (21) 14.6 μg/m3 (57) 57.0
 
May 27, 2022, 6 p.m. 6.9 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.23 ppb (3) 25.0 μg/m3 (24) 14.6 μg/m3 (57) 57.0
 
May 27, 2022, 5 p.m. 7.6 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.22 ppb (3) 20.0 μg/m3 (19) 10.8 μg/m3 (46) 46.0
 
May 27, 2022, 5 p.m. 7.6 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.22 ppb (3) 20.0 μg/m3 (19) 10.8 μg/m3 (46) 46.0
 
May 27, 2022, 4 p.m. 9.2 ppb (9) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.22 ppb (3) 22.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
May 27, 2022, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.23 ppb (3) 20.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
May 27, 2022, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.23 ppb (3) 20.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
May 27, 2022, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.23 ppb (3) 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
May 27, 2022, 5 a.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 12.0 μg/m3 (12) 5.6 μg/m3 (24) 32.0
 
May 27, 2022, 4 a.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) 12.0 μg/m3 (12) 6.5 μg/m3 (28) 32.0
 
May 27, 2022, 3 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.21 ppb (3) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 32.0
 
May 27, 2022, 2 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.21 ppb (3) 13.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
May 27, 2022, 1 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
May 27, 2022, midnight 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 36.0
 
May 26, 2022, 11 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.22 ppb (3) 24.0 μg/m3 (23) 6.6 μg/m3 (28) 40.0
 
May 26, 2022, 10 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.22 ppb (3) 28.0 μg/m3 (26) 6.5 μg/m3 (28) 44.0
 
May 26, 2022, 9 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.22 ppb (3) 24.0 μg/m3 (23) 9.5 μg/m3 (40) 44.0
 
May 26, 2022, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.22 ppb (3) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.22 ppb (3) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 7 p.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 7 p.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, 6 p.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.28 ppb (4) 30.0 μg/m3 (28) 12.2 μg/m3 (52) 52.0
 
May 26, 2022, 6 p.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.28 ppb (4) 30.0 μg/m3 (28) 12.2 μg/m3 (52) 52.0
 
May 26, 2022, 5 p.m. 8.0 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.32 ppb (4) 26.0 μg/m3 (25) 17.3 μg/m3 (62) 62.0
 
May 26, 2022, 5 p.m. 8.0 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.32 ppb (4) 26.0 μg/m3 (25) 17.3 μg/m3 (62) 62.0
 
May 26, 2022, 4 p.m. 9.7 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.34 ppb (4) 29.0 μg/m3 (27) 19.5 μg/m3 (67) 67.0
 
May 26, 2022, 4 p.m. 9.7 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.34 ppb (4) 29.0 μg/m3 (27) 19.5 μg/m3 (67) 67.0
 
May 26, 2022, 3 p.m. 7.6 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.31 ppb (4) 29.0 μg/m3 (27) 17.8 μg/m3 (63) 63.0
 
May 26, 2022, 2 p.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.28 ppb (4) 21.0 μg/m3 (20) 14.6 μg/m3 (57) 57.0
 
May 26, 2022, 2 p.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.28 ppb (4) 21.0 μg/m3 (20) 14.6 μg/m3 (57) 57.0
 
May 26, 2022, 5 a.m. 3.6 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.25 ppb (3) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
May 26, 2022, 4 a.m. 3.6 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.24 ppb (3) 10.0 μg/m3 (10) 5.6 μg/m3 (24) 29.0
 
May 26, 2022, 1 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.22 ppb (3) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
May 26, 2022, midnight 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.23 ppb (3) 21.0 μg/m3 (20) 10.5 μg/m3 (44) 44.0
 
May 25, 2022, 11 p.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.23 ppb (3) 20.0 μg/m3 (19) 11.6 μg/m3 (49) 49.0
 
May 25, 2022, 10 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.24 ppb (3) 36.0 μg/m3 (34) 14.1 μg/m3 (56) 56.0
 
May 25, 2022, 10 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.24 ppb (3) 36.0 μg/m3 (34) 14.1 μg/m3 (56) 56.0
 
May 25, 2022, 9 p.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.24 ppb (3) 16.0 μg/m3 (15) 14.1 μg/m3 (56) 56.0
 
May 25, 2022, 8 p.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.24 ppb (3) 28.0 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
May 25, 2022, 8 p.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.24 ppb (3) 28.0 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
May 25, 2022, 7 p.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.24 ppb (3) 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
May 25, 2022, 7 p.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.24 ppb (3) 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
May 25, 2022, 6 p.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.26 ppb (4) 32.0 μg/m3 (30) 14.4 μg/m3 (56) 56.0
 
May 25, 2022, 6 p.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.26 ppb (4) 32.0 μg/m3 (30) 14.4 μg/m3 (56) 56.0
 
May 25, 2022, 5 p.m. 7.6 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.31 ppb (4) 39.0 μg/m3 (37) 19.2 μg/m3 (66) 66.0
 
May 25, 2022, 5 p.m. 7.6 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.31 ppb (4) 39.0 μg/m3 (37) 19.2 μg/m3 (66) 66.0
 
May 25, 2022, 4 p.m. 14.3 ppb (14) 3.1 ppb (3) N/A 11.0 ppb (11) N/A N/A 34.0 ppb (32) 0.39 ppb (5) 41.0 μg/m3 (38) 26.6 μg/m3 (82) 82.0
 
May 25, 2022, 3 p.m. 19.7 ppb (19) 5.3 ppb (5) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.42 ppb (5) 37.0 μg/m3 (35) 19.8 μg/m3 (68) 68.0
 
May 25, 2022, 1 p.m. 26.8 ppb (26) 5.0 ppb (5) N/A 22.0 ppb (21) N/A N/A 12.0 ppb (12) 0.47 ppb (6) 31.0 μg/m3 (29) 15.1 μg/m3 (58) 58.0
 
May 25, 2022, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.25 ppb (3) 23.0 μg/m3 (22) 10.9 μg/m3 (46) 46.0
 
May 25, 2022, 5 a.m. 2.3 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.25 ppb (3) 24.0 μg/m3 (23) 12.2 μg/m3 (52) 52.0
 
May 25, 2022, 4 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.26 ppb (4) 25.0 μg/m3 (24) 11.4 μg/m3 (48) 48.0
 
May 25, 2022, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.22 ppb (3) 22.0 μg/m3 (21) 15.6 μg/m3 (59) 59.0
 
May 25, 2022, midnight 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.23 ppb (3) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
May 24, 2022, 9 p.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (50) 0.25 ppb (3) 31.0 μg/m3 (29) 13.1 μg/m3 (54) 54.0
 
May 24, 2022, 8 p.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.25 ppb (3) 25.0 μg/m3 (24) 14.4 μg/m3 (56) 56.0
 
May 24, 2022, 7 p.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) 0.26 ppb (4) 29.0 μg/m3 (27) 15.9 μg/m3 (59) 59.0
 
May 24, 2022, 6 p.m. 4.5 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) 0.27 ppb (4) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
May 24, 2022, 5 p.m. 7.8 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) 0.31 ppb (4) 33.0 μg/m3 (31) 17.8 μg/m3 (63) 63.0
 
May 24, 2022, 4 p.m. 10.4 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.34 ppb (4) 36.0 μg/m3 (34) 19.3 μg/m3 (67) 67.0
 
May 24, 2022, 3 p.m. 11.5 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) 0.34 ppb (4) 40.0 μg/m3 (38) 18.5 μg/m3 (65) 65.0
 
May 24, 2022, 2 p.m. 13.3 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.32 ppb (4) 39.0 μg/m3 (37) 17.3 μg/m3 (62) 62.0
 
May 24, 2022, 1 p.m. 8.2 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 30.0 μg/m3 (28) 21.0 μg/m3 (70) 70.0
 
May 24, 2022, noon 5.7 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.27 ppb (4) 27.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
May 24, 2022, 10 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.22 ppb (3) 8.0 μg/m3 (8) 5.6 μg/m3 (24) 35.0
 
May 24, 2022, 9 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.22 ppb (3) 18.0 μg/m3 (17) 5.3 μg/m3 (23) 36.0
 
May 24, 2022, 8 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.22 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 36.0
 
May 24, 2022, 6 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 21.0 μg/m3 (20) 7.0 μg/m3 (30) 36.0
 
May 24, 2022, 5 a.m. 2.3 ppb (3) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.22 ppb (3) 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
May 24, 2022, 5 a.m. 2.3 ppb (3) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.22 ppb (3) 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
May 24, 2022, 4 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 22.0 μg/m3 (21) 8.3 μg/m3 (35) 37.0
 
May 24, 2022, 4 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 22.0 μg/m3 (21) 8.3 μg/m3 (35) 37.0
 
May 24, 2022, 3 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 37.0
 
May 24, 2022, 3 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 37.0
 
May 24, 2022, 2 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.22 ppb (3) 8.0 μg/m3 (8) 10.5 μg/m3 (44) 44.0
 
May 24, 2022, 2 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.22 ppb (3) 8.0 μg/m3 (8) 10.5 μg/m3 (44) 44.0
 
May 24, 2022, 1 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.22 ppb (3) 20.0 μg/m3 (19) 8.5 μg/m3 (36) 39.0
 
May 24, 2022, 1 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.22 ppb (3) 20.0 μg/m3 (19) 8.5 μg/m3 (36) 39.0
 
May 24, 2022, midnight 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.22 ppb (3) 7.0 μg/m3 (7) 7.0 μg/m3 (30) 41.0
 
May 24, 2022, midnight 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.22 ppb (3) 7.0 μg/m3 (7) 7.0 μg/m3 (30) 41.0
 
May 23, 2022, 11 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.23 ppb (3) 11.0 μg/m3 (11) 9.8 μg/m3 (41) 44.0
 
May 23, 2022, 11 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.23 ppb (3) 11.0 μg/m3 (11) 9.8 μg/m3 (41) 44.0
 
May 23, 2022, 8 p.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 21.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
May 23, 2022, 7 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 24.0 μg/m3 (23) 13.1 μg/m3 (54) 54.0
 
May 23, 2022, 6 p.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.24 ppb (3) 24.0 μg/m3 (23) 12.4 μg/m3 (52) 52.0
 
May 23, 2022, 3 p.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.24 ppb (3) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
May 23, 2022, 2 p.m. 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.24 ppb (3) 19.0 μg/m3 (18) 10.8 μg/m3 (46) 46.0
 
May 23, 2022, 11 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 24.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
May 23, 2022, 10 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 17.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
May 23, 2022, 10 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 17.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
May 23, 2022, 9 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.21 ppb (3) 21.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
May 23, 2022, 3 a.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.23 ppb (3) 33.0 μg/m3 (31) 7.3 μg/m3 (31) 31.0
 
May 23, 2022, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.23 ppb (3) 23.0 μg/m3 (22) 7.8 μg/m3 (33) 34.0
 
May 23, 2022, 1 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.21 ppb (3) 15.0 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
May 23, 2022, midnight 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.21 ppb (3) 30.0 μg/m3 (28) 9.0 μg/m3 (38) 40.0
 
May 22, 2022, 11 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.22 ppb (3) 21.0 μg/m3 (20) 9.5 μg/m3 (40) 42.0
 
May 22, 2022, 9 p.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) 0.22 ppb (3) 36.0 μg/m3 (34) 9.0 μg/m3 (38) 47.0
 
May 22, 2022, 8 p.m. 3.9 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) 0.22 ppb (3) 37.0 μg/m3 (35) 15.1 μg/m3 (58) 58.0
 
May 22, 2022, 7 p.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.23 ppb (3) 31.0 μg/m3 (29) 15.9 μg/m3 (59) 59.0
 
May 22, 2022, 6 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.24 ppb (3) 28.0 μg/m3 (26) 14.4 μg/m3 (56) 56.0
 
May 22, 2022, 5 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 24.0 μg/m3 (23) 16.8 μg/m3 (61) 61.0
 
May 22, 2022, 4 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.23 ppb (3) 28.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
May 22, 2022, 3 p.m. 6.7 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.24 ppb (3) 31.0 μg/m3 (29) 17.1 μg/m3 (62) 62.0
 
May 22, 2022, 2 p.m. 7.5 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.24 ppb (3) 27.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
May 22, 2022, 1 p.m. 8.5 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.27 ppb (4) 36.0 μg/m3 (34) 7.5 μg/m3 (32) 34.0
 
May 22, 2022, 1 p.m. 8.5 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.27 ppb (4) 36.0 μg/m3 (34) 7.5 μg/m3 (32) 34.0
 
May 22, 2022, noon 11.9 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.32 ppb (4) 24.0 μg/m3 (23) 8.5 μg/m3 (36) 36.0
 
May 22, 2022, 11 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.29 ppb (4) 17.0 μg/m3 (16) 6.1 μg/m3 (26) 26.0
 
May 22, 2022, 10 a.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.24 ppb (3) 11.0 μg/m3 (11) 5.1 μg/m3 (22) 31.0
 
May 22, 2022, 9 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.22 ppb (3) 17.0 μg/m3 (16) 7.3 μg/m3 (31) 31.0
 
May 22, 2022, 8 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 15.0 μg/m3 (14) 8.8 μg/m3 (37) 37.0
 
May 22, 2022, 7 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 10.0 μg/m3 (10) 7.8 μg/m3 (33) 33.0
 
May 22, 2022, 5 a.m. 4.4 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 19.0 μg/m3 (18) 5.3 μg/m3 (23) 31.0
 
May 22, 2022, 3 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 16.0 μg/m3 (15) 5.6 μg/m3 (24) 36.0
 
May 22, 2022, 2 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 8.0 μg/m3 (8) 7.0 μg/m3 (30) 37.0
 
May 22, 2022, 1 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 13.0 μg/m3 (13) 8.5 μg/m3 (36) 37.0
 
May 22, 2022, midnight 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 13.0 μg/m3 (13) 6.3 μg/m3 (27) 37.0
 
May 21, 2022, 11 p.m. 1.6 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 13.0 μg/m3 (13) 6.6 μg/m3 (28) 39.0
 
May 21, 2022, 10 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.19 ppb (3) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 40.0
 
May 21, 2022, 9 p.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.19 ppb (3) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 39.0
 
May 21, 2022, 8 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.2 ppb (3) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 39.0
 
May 21, 2022, 7 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.2 ppb (3) 19.0 μg/m3 (18) 5.8 μg/m3 (25) 38.0
 
May 21, 2022, 6 p.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.2 ppb (3) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 37.0
 
May 21, 2022, 5 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 8.0 μg/m3 (8) 6.3 μg/m3 (27) 36.0
 
May 21, 2022, 4 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.2 ppb (3) 7.0 μg/m3 (7) 5.8 μg/m3 (25) 35.0
 
May 21, 2022, 3 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.2 ppb (3) 6.0 μg/m3 (6) 3.4 μg/m3 (15) 33.0
 
May 21, 2022, 2 p.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.21 ppb (3) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 31.0
 
May 21, 2022, 1 p.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 14.0 μg/m3 (13) 2.9 μg/m3 (13) 30.0
 
May 21, 2022, 1 p.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 14.0 μg/m3 (13) 2.9 μg/m3 (13) 30.0
 
May 21, 2022, noon 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 3.0 μg/m3 (3) 2.9 μg/m3 (13) 30.0
 
May 21, 2022, 10 a.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.19 ppb (3) -1.0 μg/m3 (0) 3.4 μg/m3 (15) 31.0
 
May 21, 2022, 9 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 0.0 μg/m3 (0) 4.6 μg/m3 (20) 30.0
 
May 21, 2022, 8 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 0.0 μg/m3 (0) 1.9 μg/m3 (8) 30.0
 
May 21, 2022, 4 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 0.0 μg/m3 (0) N/A 31.0
 
May 21, 2022, 3 a.m. 2.5 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.21 ppb (3) 1.0 μg/m3 (1) -1.4 μg/m3 (0) 32.0
 
May 21, 2022, 2 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 7.0 μg/m3 (7) 0.7 μg/m3 (3) 33.0
 
May 21, 2022, 1 a.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 5.0 μg/m3 (5) 2.4 μg/m3 (10) 34.0
 
May 21, 2022, midnight 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 1.0 μg/m3 (1) 1.9 μg/m3 (8) 35.0
 
May 20, 2022, 11 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.2 ppb (3) 1.0 μg/m3 (1) 1.9 μg/m3 (8) 36.0
 
May 20, 2022, 10 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.2 ppb (3) 0.0 μg/m3 (0) 2.1 μg/m3 (9) 38.0
 
May 20, 2022, 9 p.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.2 ppb (3) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 40.0
 
May 20, 2022, 7 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) 0.21 ppb (3) 8.0 μg/m3 (8) 1.9 μg/m3 (8) 39.0
 
May 20, 2022, 6 p.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.22 ppb (3) 8.0 μg/m3 (8) 1.2 μg/m3 (5) 40.0
 
May 20, 2022, 5 p.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.23 ppb (3) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 40.0
 
May 20, 2022, 4 p.m. 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.24 ppb (3) 7.0 μg/m3 (7) 2.2 μg/m3 (10) 38.0
 
May 20, 2022, 3 p.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.24 ppb (3) 6.0 μg/m3 (6) 16.8 μg/m3 (61) 61.0
 
May 20, 2022, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.23 ppb (3) N/A N/A 38.0
 
May 20, 2022, 1 p.m. 3.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.23 ppb (3) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
May 20, 2022, 11 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.2 ppb (3) 11.0 μg/m3 (11) 7.1 μg/m3 (30) 42.0
 
May 20, 2022, 10 a.m. 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) 0.2 ppb (3) 12.0 μg/m3 (12) 7.5 μg/m3 (32) 43.0
 
May 20, 2022, 9 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.2 ppb (3) 19.0 μg/m3 (18) 9.3 μg/m3 (39) 40.0
 
May 20, 2022, 8 a.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.19 ppb (3) 23.0 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
May 20, 2022, 7 a.m. 1.2 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.2 ppb (3) 12.0 μg/m3 (12) 10.5 μg/m3 (44) 44.0